{"title":"Black Friday 2026 | All Sales — Up to 30% Off | Nov 20–Dec 1; Dates Vary","description":"\u003cp\u003e\u003cstrong\u003eUpcoming Black Friday 2026 sales — up to 30% off.\u003c\/strong\u003e Browse the eligible products from all 17 scheduled offers. Discounts range from 10% to 30%, and each offer has its own sale dates.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSale schedule (all dates are Central Time):\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNovember 20–30, 2026:\u003c\/strong\u003e Abyzz Pumps 10%; Dymax 30%; Easy Reefs Foods 20%; Fauna Marin 20%; HYDROS Controllers 10%; IceCap 20%; Kamoer 20%; Klir Filters 20%; Reef Endurance 30%; Reef Octopus 20%; Seneye \u0026amp; ITC 30%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNovember 27, 2026 only:\u003c\/strong\u003e HYDROS Launch \u0026amp; Start 15%; Reef Octopus OctoPulse 30%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNovember 20–December 1, 2026:\u003c\/strong\u003e Flipper 15%; selected Sicce Syncra Silent and Syncra SDC Pumps 30%; Other Sicce Products 25%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNovember 27–30, 2026:\u003c\/strong\u003e AutoAqua Auto Top-Offs 10%.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEach discount will apply automatically to eligible one-time purchases in your cart or at checkout only during its stated sale dates. November 27 doorbuster rates apply on that date only. Where a regular sale and a doorbuster overlap, the best eligible product discount applies.\u003c\/p\u003e\u003cp\u003eOnly the products shown in this collection are eligible for one or more of these offers; eligibility and exclusions vary by offer. Please check the individual sale collections for their product scope, and individual product pages for availability and fulfillment details.\u003c\/p\u003e","products":[{"product_id":"hydros-control-x4-starter-pack","title":"HYDROS Control X4 Starter Pack","description":"\u003cp\u003e\u003cstrong\u003eThe HYDROS Control X4 Starter Pack by CoralVue is a complete, do-everything aquarium controller kit built around the flagship Control X4.\u003c\/strong\u003e One X4 monitors temperature, pH, ORP, and water level while controlling pumps, timers, and sensors — and this pack bundles the probe, sensor, and WiFi power strip you need to run it all from the free HYDROS app. Ideal for larger or more advanced saltwater, freshwater, and pond systems.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eControl X4 unit\u003c\/li\u003e\n\u003cli\u003ePower supply\u003c\/li\u003e\n\u003cli\u003eTemperature sensor\u003c\/li\u003e\n\u003cli\u003epH probe \u0026amp; calibration solutions\u003c\/li\u003e\n\u003cli\u003e4-Outlet WiFi AC Power Strip\u003c\/li\u003e\n\u003cli\u003eHYDROS app (iOS \u0026amp; Android)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you can do out of the box\u003c\/h3\u003e\n\u003cp\u003eMonitor temperature, pH, ORP, and water level; add more sensors to the four Sense Ports; power small 12V devices from the Drive Ports; integrate variable-speed pumps via 0–10V I\/O; and switch equipment through the included WiFi Power Strip.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose the X4 pack?\u003c\/strong\u003e It's the most capable single-controller kit — one X4 covers temperature, pH, ORP, and water level plus Drive Ports and 0–10V control, with no add-on modules needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWant more AC outlets?\u003c\/strong\u003e The \u003ca href=\"\/products\/hydros-control-x4-pro-pack\"\u003eX4 Pro Pack\u003c\/a\u003e adds the eight-outlet XP8 controller and a Command Bus cable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFull X4 specs?\u003c\/strong\u003e See the standalone \u003ca href=\"\/products\/hydros-control-x4\"\u003eHYDROS Control X4\u003c\/a\u003e page.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShipped fast with expert support.\u003c\/strong\u003e Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43740695887916,"sku":"HDRS-C4PK","price":532.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/HYDROS-Control-X4-Starter-Pack-CoralVue-102848490.jpg?v=1767495032"},{"product_id":"hydros-control-x3-starter-pack","title":"HYDROS Control X3 Starter Pack","description":"\u003cp\u003e\u003cstrong\u003eThe HYDROS Control X3 Starter Pack by CoralVue is a complete monitor-and-control aquarium kit that adds pH\/ORP monitoring right out of the box.\u003c\/strong\u003e Built around the Control X3, it bundles everything needed to watch your water and automate equipment on a saltwater or freshwater tank — including a pH probe and calibration solutions the sensor-only packs don't have.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eControl X3 unit\u003c\/li\u003e\n\u003cli\u003ePower supply\u003c\/li\u003e\n\u003cli\u003eTemperature sensor\u003c\/li\u003e\n\u003cli\u003epH probe \u0026amp; calibration solutions\u003c\/li\u003e\n\u003cli\u003e4-Outlet WiFi AC Power Strip\u003c\/li\u003e\n\u003cli\u003eHYDROS app (iOS \u0026amp; Android)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you can do out of the box\u003c\/h3\u003e\n\u003cp\u003eMonitor temperature and pH\/ORP, add water-level or leak sensors to the Sense Ports, switch equipment through the included WiFi Power Strip, and get instant alerts — all with no coding.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the Starter Pack different from the Monitor Pack?\u003c\/strong\u003e The Starter Pack includes the 4-Outlet WiFi Power Strip so you can control outlets immediately. The \u003ca href=\"\/products\/hydros-control-x3-monitor-pack\"\u003eX3 Monitor Pack\u003c\/a\u003e swaps that for a point leak sensor — it's monitoring-focused, and you add a power strip later to control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat about the Pro Pack?\u003c\/strong\u003e The \u003ca href=\"\/products\/hydros-control-x3-pro-pack\"\u003eX3 Pro Pack\u003c\/a\u003e replaces the WiFi Power Strip with the hardwired eight-outlet XP8 controller and a Command Bus cable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFull X3 specs?\u003c\/strong\u003e See the standalone \u003ca href=\"\/products\/hydros-control-x3\"\u003eHYDROS Control X3\u003c\/a\u003e page.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShipped fast with expert support.\u003c\/strong\u003e Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43740871000108,"sku":"HDRS-C3PK","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/HYDROS-Control-X3-Monitor-Pack-CoralVue-102848367.jpg?v=1769368021"},{"product_id":"hydros-control-kraken","title":"HYDROS Control Kraken","description":"\u003cp\u003e\u003cstrong\u003eThe HYDROS Control Kraken by CoralVue is a large, heavy-duty 24V DC power manager and full aquarium controller.\u003c\/strong\u003e It delivers high-power switched DC outputs from one industrial Mean Well power supply, letting you remove the tangle of individual “power bricks” and “wall warts” from your setup. The Kraken powers up to 20 amps of system-critical life-support equipment while monitoring the current to every device — and it's a complete HYDROS brain that can take over decision-making for your entire collective.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEight Force Ports\u003c\/strong\u003e — controllable 24V DC outputs with individual power monitoring for lights, return pumps, skimmers, filters, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour Drive Ports\u003c\/strong\u003e — switched 12V DC for dosing pumps, cooling fans, and cabinet LEDs, with current monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Backup Port\u003c\/strong\u003e — connect an external 12V lead-acid battery to keep the HYDROS system running in Low Power Mode during an outage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Command Bus ports\u003c\/strong\u003e — wire the Kraken to any other HYDROS controller for the ultimate failsafe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls up to eight HYDROS WiFi devices\u003c\/strong\u003e — power strips, smart plugs, and more from the app.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax per Force Port:\u003c\/strong\u003e 8A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal max amperage:\u003c\/strong\u003e 20A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e external industrial-grade Mean Well Super Brick\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e fully passive — no noisy fans\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e universal, works with 110V and 220V; designed to pass ETL\/UL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (L×W×H):\u003c\/strong\u003e 9.5″ × 4.75″ × 3.2″\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEngineered, assembled, and supported in the USA.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat devices work with the Kraken?\u003c\/strong\u003e If your device has a power-supply brick and outputs 12V or 24V, it will run on the Kraken — which lets you retire that brick and clean up your wiring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much power can it handle?\u003c\/strong\u003e Up to 20A total, with each of the eight 24V Force Ports supplying up to 8A.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it keep my tank alive during a power outage?\u003c\/strong\u003e Yes — its dedicated Battery Backup Port runs the HYDROS system in Low Power Mode from an external 12V battery.\u003c\/p\u003e\n\n\u003cp\u003eMany reefers pair the Kraken with a \u003ca href=\"\/products\/hydros-control-x4\"\u003eControl X4\u003c\/a\u003e for sensing and probes. For switched AC outlets instead, see the \u003ca href=\"\/products\/hydros-control-xp8\"\u003eControl XP8\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShipped fast with expert support.\u003c\/strong\u003e Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43744791003180,"sku":"HDRS-KRKN","price":692.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/hydros_kraken_front_bottom.jpg?v=1754995458"},{"product_id":"hydros-control-x10-starter-pack","title":"HYDROS Control X10 Starter Pack","description":"\u003cp\u003eThe \u003cstrong\u003eHYDROS Control X10 Starter Pack\u003c\/strong\u003e puts a full aquarium controller and a four-head dosing pump in one compact, IP65-rated device — so you can automate supplement dosing and monitor your tank's most important parameters without wiring together separate components. It works as a standalone controller for reef, saltwater, and freshwater aquariums, or as the hub of a larger HYDROS system.\u003c\/p\u003e\n\n\u003cp\u003eManaged entirely through the free HYDROS app with \u003cstrong\u003eno coding required\u003c\/strong\u003e, the Control X10 doses liquids, tracks temperature and pH\/ORP, and expands with accessories to measure salinity, test alkalinity, detect leaks, and control up to eight Wi-Fi devices. Every HYDROS product is engineered, assembled, and supported in the USA.\u003c\/p\u003e\n\n\u003ch3\u003eWhy reefers choose the Control X10\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour precision stepper dosing pumps\u003c\/strong\u003e for two-part, trace elements, automated water changes, and liquid additives — color-coded, quiet, and reversible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in monitoring\u003c\/strong\u003e for temperature and pH\/ORP, with per-port current sensing that alerts you the moment a pump or cord fails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHYDROS Smart Net failsafe\u003c\/strong\u003e keeps your system coordinated — and sends app alerts — even if a device drops offline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScales with your tank:\u003c\/strong\u003e add a Salinity Probe Kit and HYDROS iV for automated salinity readings and app-based alkalinity testing, or link additional Controls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHYDROS Control X10 controller\u003c\/li\u003e\n\u003cli\u003ePower supply\u003c\/li\u003e\n\u003cli\u003epH probe\u003c\/li\u003e\n\u003cli\u003eCalibration solutions\u003c\/li\u003e\n\u003cli\u003eTemperature sensor\u003c\/li\u003e\n\u003cli\u003eFour (4) 10 ft dosing tubing lines\u003c\/li\u003e\n\u003cli\u003eCalibration beaker\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSalinity monitoring requires the separate HYDROS Salinity Probe Kit. Alkalinity testing requires the optional HYDROS iV.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4 stepper dosing pumps · up to 100 mL\/min (forward or reverse)\u003c\/li\u003e\n\u003cli\u003e1 salinity probe port · 1 pH\/ORP port · 4 Sense ports\u003c\/li\u003e\n\u003cli\u003e2 Drive ports (1.5A each, 3A total) · 2 Command Bus\u003c\/li\u003e\n\u003cli\u003eControls up to 8 Wi-Fi devices · IP65 rated\u003c\/li\u003e\n\u003cli\u003eDimensions: 7.75\" × 6.75\" × 4.25\" · Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNew to aquarium controllers or comparing the X10 to a separate controller-and-doser setup? Read our full guide: \u003ca href=\"\/blogs\/news\/hydros-control-x10-all-in-one-aquarium-controller\"\u003e\u003cstrong\u003eHYDROS Control X10: The All-in-One Aquarium Controller and Dosing Pump\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eBacked by expert support from Marine Concept Supply. Order online or pick up at our shop in Wheeling, IL.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43744798343212,"sku":"HDRS-CX10","price":923.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/X10_FrontCenter-1_0a89f307-099b-418d-bbb4-2b5e5f84e461.png?v=1754995579"},{"product_id":"hydros-control-xp8","title":"HYDROS Control XP8","description":"\u003cp\u003e\u003cstrong\u003eThe HYDROS Control XP8 by CoralVue is a smart, eight-outlet 120V AC power bar and full aquarium controller in one.\u003c\/strong\u003e Every outlet is individually controlled with its own power monitoring, built directly into the controller for maximum reliability. The XP8 is a complete HYDROS “brain” — it can share or take over the decision-making of an entire HYDROS collective, so your tank keeps running even if another device drops offline.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEight individually controlled 120V AC outlets\u003c\/strong\u003e — switch pumps, powerheads, lights, heaters, skimmers, UV sterilizers, and more, with per-outlet power monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull HYDROS controller\u003c\/strong\u003e — capable of taking over intelligent decisions for the whole collective.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls up to eight HYDROS WiFi devices\u003c\/strong\u003e — feeders, dosing pumps, additional power strips, and smart outlets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Command Bus ports\u003c\/strong\u003e — add redundant power and wired failsafe links to other controllers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical isolation\u003c\/strong\u003e between power and control circuitry for safety and reduced electrical noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlets:\u003c\/strong\u003e eight individually switched 120V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e 60W Mean Well\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e fully passive — no noisy fans\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e universal, works with 110V and 220V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e designed to pass ETL\/UL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (L×W×H):\u003c\/strong\u003e 9.5″ × 4.75″ × 3.2″\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the XP8 a standalone controller?\u003c\/strong\u003e Yes. It's a full HYDROS brain with eight individually controlled AC outlets that can also manage up to eight HYDROS WiFi devices — no separate controller required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it run on 220V?\u003c\/strong\u003e Yes — it's universal voltage and works with both 110V and 220V.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does it pair with a monitoring controller?\u003c\/strong\u003e Many reefers link the XP8 with a \u003ca href=\"\/products\/hydros-control-x4\"\u003eControl X4\u003c\/a\u003e or \u003ca href=\"\/products\/hydros-control-x3\"\u003eX3\u003c\/a\u003e — the X-series handles sensing and probes while the XP8 switches AC power. That combination is sold ready-to-go as the \u003ca href=\"\/products\/hydros-control-x4-pro-pack\"\u003eX4 Pro Pack\u003c\/a\u003e and \u003ca href=\"\/products\/hydros-control-x3-pro-pack\"\u003eX3 Pro Pack\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShipped fast with expert support.\u003c\/strong\u003e Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43744801783852,"sku":"HDRS-CXP8","price":347.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/XP8.jpg?v=1754995701"},{"product_id":"hydros-control-x2-starter-pack","title":"HYDROS Control X2 Starter Pack","description":"\u003cp\u003e\u003cstrong\u003eThe HYDROS Control X2 Starter Pack by CoralVue is a complete, ready-to-run aquarium controller kit built around the affordable Control X2.\u003c\/strong\u003e It bundles everything you need to start monitoring and automating a saltwater or freshwater tank — no extra modules to buy. Track temperature, leaks, and flow, then switch pumps, heaters, and lights on a schedule or in response to real-time conditions, all from the free HYDROS app.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eControl X2 unit\u003c\/li\u003e\n\u003cli\u003ePower supply\u003c\/li\u003e\n\u003cli\u003eTemperature sensor\u003c\/li\u003e\n\u003cli\u003e4-Outlet WiFi AC Power Strip\u003c\/li\u003e\n\u003cli\u003eHYDROS app (iOS \u0026amp; Android)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you can do out of the box\u003c\/h3\u003e\n\u003cp\u003eRun an automatic top-off, put a heater on temperature control, schedule lighting, and switch equipment through the included WiFi Power Strip — with alerts if something drifts out of range.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this pack monitor pH?\u003c\/strong\u003e No — the Control X2 has no probe port. For pH\/ORP monitoring, choose the \u003ca href=\"\/products\/hydros-control-x3-starter-pack\"\u003eControl X3 Starter Pack\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I expand it later?\u003c\/strong\u003e Yes. Add sensors to its Sense Ports or link it with other HYDROS controllers over the Command Bus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere can I see full X2 specs?\u003c\/strong\u003e On the standalone \u003ca href=\"\/products\/hydros-control-x2\"\u003eHYDROS Control X2\u003c\/a\u003e page.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShipped fast with expert support.\u003c\/strong\u003e Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43744852770860,"sku":"HDRS-C2PK","price":236.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/HYDROS-Control-X2-CoralVue-102848969.jpg?v=1769368023"},{"product_id":"hydros-control-xd","title":"HYDROS Control XD","description":"\u003cp\u003e\u003cstrong\u003eThe HYDROS Control XD by CoralVue is an aquarium controller built to power and manage small 12V devices.\u003c\/strong\u003e Its three Universal Drive Ports supply switched 12V DC to run cabinet LEDs, solenoids, ATO pumps, dosing pumps, cooling fans, and more — while continuously monitoring the exact current each device draws. It sets up in minutes and works as a standalone controller or as part of a larger HYDROS collective.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Universal Drive Ports\u003c\/strong\u003e — switched 12V DC power for small aquarium devices, with per-port current monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent-fault alerts\u003c\/strong\u003e — get notified instantly if a pump or motor stops drawing current or pulls too much.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Command Bus ports\u003c\/strong\u003e — add redundancy and link to other HYDROS controllers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls up to eight HYDROS WiFi devices\u003c\/strong\u003e — extend control to power strips, smart plugs, and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower per Drive Port:\u003c\/strong\u003e up to 1.5A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal device output:\u003c\/strong\u003e up to 3A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (L×W×H):\u003c\/strong\u003e 5″ × 2.7″ × 1.9″\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor:\u003c\/strong\u003e fast dual-core 32-bit — on-device control decisions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealth monitoring:\u003c\/strong\u003e internal voltages, currents, CPU status, and temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuild:\u003c\/strong\u003e splash-proof and dust-resistant industrial enclosure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow much power can the Control XD supply?\u003c\/strong\u003e Each of its three Drive Ports delivers switched 12V DC up to 1.5A, with 3A total across the device.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat can I run from it?\u003c\/strong\u003e Small 12V equipment such as dosing pumps, ATO pumps, cabinet LED lighting, solenoids, and cooling fans.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need bigger power management?\u003c\/strong\u003e For high-wattage 24V gear and whole-system power, step up to the \u003ca href=\"\/products\/hydros-control-kraken\"\u003eHYDROS Kraken\u003c\/a\u003e; for AC outlets, see the \u003ca href=\"\/products\/hydros-control-xp8\"\u003eControl XP8\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShipped fast with expert support.\u003c\/strong\u003e Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43744863223852,"sku":"HDRS-CXD","price":248.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/XD.png?v=1754996080"},{"product_id":"hydros-control-x2","title":"HYDROS Control X2","description":"\u003cp\u003e\u003cstrong\u003eThe HYDROS Control X2 by CoralVue is an affordable, general-purpose aquarium controller that monitors your tank and automates your equipment\u003c\/strong\u003e — no coding required. It tracks temperature, leaks, and flow, powers small devices, and switches outlets on a schedule or in response to real-time conditions. Use it as a standalone controller for a saltwater reef or freshwater planted tank, or link it with other HYDROS devices to build a larger system.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Sense Ports\u003c\/strong\u003e — universal inputs for temperature sensors, water-level sensors, leak detectors, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Drive Ports\u003c\/strong\u003e — supply switched 12V DC power to small devices and monitor current for failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Command Bus ports\u003c\/strong\u003e — power and link multiple HYDROS controllers into one failsafe network.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls up to eight HYDROS WiFi devices\u003c\/strong\u003e — 4-Outlet WiFi Power Strips and Smart Plugs for pumps, heaters, lights, skimmers, UV, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApp-based automation\u003c\/strong\u003e — schedule an auto top-off, temperature-controlled heater, or lighting timer in a few taps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (L×W×H):\u003c\/strong\u003e 5″ × 2.7″ × 1.9″\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor:\u003c\/strong\u003e fast dual-core 32-bit — each device makes control decisions on its own\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealth monitoring:\u003c\/strong\u003e reports internal voltages, currents, CPU status, and temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuild:\u003c\/strong\u003e splash-proof and dust-resistant industrial enclosure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the difference between the Control X2 and X3?\u003c\/strong\u003e The X2 has two Sense Ports and two Drive Ports. The X3 swaps in a dedicated Probe Port so it can also monitor pH and ORP.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the Control X2 turn my equipment on and off?\u003c\/strong\u003e Yes. It controls up to eight HYDROS WiFi devices (like the \u003ca href=\"\/products\/hydros-wifi-power-strip\"\u003eWiFi Power Strip\u003c\/a\u003e or Smart Plug), and its Drive Ports directly power small 12V devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work on freshwater tanks?\u003c\/strong\u003e Yes — it's built for both saltwater aquariums and freshwater planted tanks.\u003c\/p\u003e\n\n\u003cp\u003eStepping up in capability? Compare the \u003ca href=\"\/products\/hydros-control-x3\"\u003eControl X3\u003c\/a\u003e and \u003ca href=\"\/products\/hydros-control-x4\"\u003eControl X4\u003c\/a\u003e. Prefer a bundle? Grab the \u003ca href=\"\/products\/hydros-control-x2-starter-pack\"\u003eControl X2 Starter Pack\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShipped fast with expert support.\u003c\/strong\u003e Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43744867844140,"sku":"HDRS-C2","price":189.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/HYDROS-Control-X2-CoralVue-102848969.jpg?v=1769368023"},{"product_id":"hydros-control-x3","title":"HYDROS Control X3","description":"\u003cp\u003e\u003cstrong\u003eThe HYDROS Control X3 by CoralVue is a compact aquarium controller that monitors pH and ORP while automating your tank's equipment.\u003c\/strong\u003e Along with a dedicated Probe Port for pH\/ORP, it connects to two sensor devices — temperature sensors, water-level sensors, or leak detectors — and controls outlets for lights, pumps, feeders, and more. It suits both saltwater and freshwater aquariums and runs on its own or alongside other HYDROS controllers.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne Probe Port\u003c\/strong\u003e — accurate, reliable pH and ORP monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Sense Ports\u003c\/strong\u003e — universal inputs for temperature, water-level, and leak sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Command Bus ports\u003c\/strong\u003e — link HYDROS controllers into one failsafe collective.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls up to eight HYDROS WiFi devices\u003c\/strong\u003e — run heaters, pumps, lights, skimmers, and UV on rules and schedules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlerts and notifications\u003c\/strong\u003e — the app warns you the moment something drifts out of range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (L×W×H):\u003c\/strong\u003e 5″ × 2.7″ × 2.3″\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor:\u003c\/strong\u003e fast dual-core 32-bit — on-device control decisions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealth monitoring:\u003c\/strong\u003e internal voltages, currents, CPU status, and temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuild:\u003c\/strong\u003e splash-proof and dust-resistant industrial enclosure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the Control X3 measure pH?\u003c\/strong\u003e Yes. Its dedicated Probe Port monitors both pH and ORP, and its two Sense Ports handle temperature, water level, or leak detection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the X3 different from the X4?\u003c\/strong\u003e The X3 has one Probe Port and two Sense Ports. The X4 doubles up with two Probe Ports, four Sense Ports, Drive Ports, and 0–10V I\/O for larger, more demanding systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need extra modules to add sensors?\u003c\/strong\u003e No — HYDROS Sense Ports are universal, so most sensors connect in seconds with no coding.\u003c\/p\u003e\n\n\u003cp\u003eWant pH monitoring plus a full bundle? See the \u003ca href=\"\/products\/hydros-control-x3-starter-pack\"\u003eControl X3 Starter Pack\u003c\/a\u003e or the \u003ca href=\"\/products\/hydros-control-x3-pro-pack\"\u003eX3 Pro Pack\u003c\/a\u003e. Comparing models? Look at the \u003ca href=\"\/products\/hydros-control-x2\"\u003eControl X2\u003c\/a\u003e and \u003ca href=\"\/products\/hydros-control-x4\"\u003eControl X4\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShipped fast with expert support.\u003c\/strong\u003e Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43744871219244,"sku":"HDRS-CX3","price":248.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/HYDROS-Control-X3-Monitor-Pack-CoralVue-102848367.jpg?v=1769368021"},{"product_id":"hydros-control-x3-monitor-pack","title":"HYDROS Control X3 Monitor Pack","description":"\u003cp\u003e\u003cstrong\u003eThe HYDROS Control X3 Monitor Pack by CoralVue is a monitoring-focused aquarium controller kit that watches temperature, pH\/ORP, and leaks out of the box.\u003c\/strong\u003e Built around the Control X3, it's the ideal way to keep an eye on your tank's vital parameters and get instant alerts — and it upgrades to full outlet control anytime by adding a HYDROS WiFi Power Strip or Smart Plug.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eControl X3 unit\u003c\/li\u003e\n\u003cli\u003ePower supply\u003c\/li\u003e\n\u003cli\u003eTemperature sensor\u003c\/li\u003e\n\u003cli\u003epH probe \u0026amp; calibration solutions\u003c\/li\u003e\n\u003cli\u003ePoint leak sensor\u003c\/li\u003e\n\u003cli\u003eHYDROS app (iOS \u0026amp; Android)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you can do out of the box\u003c\/h3\u003e\n\u003cp\u003eMonitor temperature, pH, and ORP, detect leaks at a specific point, and receive alerts and notifications from anywhere via the HYDROS cloud app.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the Monitor Pack different from the Starter Pack?\u003c\/strong\u003e The Monitor Pack is built for monitoring — it includes a point leak sensor but no power strip. The \u003ca href=\"\/products\/hydros-control-x3-starter-pack\"\u003eX3 Starter Pack\u003c\/a\u003e includes the 4-Outlet WiFi Power Strip so you can switch equipment right away.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I add outlet control later?\u003c\/strong\u003e Yes — add a HYDROS \u003ca href=\"\/products\/hydros-wifi-power-strip\"\u003eWiFi Power Strip\u003c\/a\u003e or \u003ca href=\"\/products\/hydros-smart-wifi-plug\"\u003eSmart Plug\u003c\/a\u003e and the same system controls lights, pumps, feeders, and more.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFull X3 specs?\u003c\/strong\u003e See the standalone \u003ca href=\"\/products\/hydros-control-x3\"\u003eHYDROS Control X3\u003c\/a\u003e page.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShipped fast with expert support.\u003c\/strong\u003e Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43744872923180,"sku":"HDRS-CX3MP","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/HYDROS-Control-X3-Monitor-Pack-CoralVue-102848367.jpg?v=1769368021"},{"product_id":"hydros-control-x3-pro-pack","title":"HYDROS Control X3 Pro Pack","description":"\u003cp\u003e\u003cstrong\u003eThe HYDROS Control X3 Pro Pack by CoralVue pairs the Control X3 with the eight-outlet Control XP8 for a complete, hardwired monitor-and-control system.\u003c\/strong\u003e The X3 handles sensing and pH\/ORP monitoring while the XP8 switches up to eight 120V AC outlets — and a Command Bus cable links them into one failsafe collective that keeps running even if a device drops offline. A robust setup for serious saltwater and freshwater aquariums.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eControl X3 unit\u003c\/li\u003e\n\u003cli\u003eControl XP8 unit (eight 120V AC outlets)\u003c\/li\u003e\n\u003cli\u003eTemperature sensor\u003c\/li\u003e\n\u003cli\u003epH probe \u0026amp; calibration solutions\u003c\/li\u003e\n\u003cli\u003e6 ft Command Bus cable with two terminators\u003c\/li\u003e\n\u003cli\u003eHYDROS app (iOS \u0026amp; Android)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you can do out of the box\u003c\/h3\u003e\n\u003cp\u003eMonitor temperature and pH\/ORP on the X3, connect up to two more sensors, and directly power and switch up to eight pieces of equipment — heaters, lights, pumps, skimmers, and more — on the XP8's individually controlled AC outlets.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the Pro Pack different from the Starter Pack?\u003c\/strong\u003e The Pro Pack replaces the WiFi Power Strip with the hardwired eight-outlet \u003ca href=\"\/products\/hydros-control-xp8\"\u003eXP8\u003c\/a\u003e controller plus a Command Bus cable — more outlets and a more robust, failsafe connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eX3 Pro Pack or X4 Pro Pack?\u003c\/strong\u003e Step up to the \u003ca href=\"\/products\/hydros-control-x4-pro-pack\"\u003eX4 Pro Pack\u003c\/a\u003e if you want more Sense and Probe Ports plus 0–10V control on the main controller.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFull specs?\u003c\/strong\u003e See the standalone \u003ca href=\"\/products\/hydros-control-x3\"\u003eControl X3\u003c\/a\u003e and \u003ca href=\"\/products\/hydros-control-xp8\"\u003eControl XP8\u003c\/a\u003e pages.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShipped fast with expert support.\u003c\/strong\u003e Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43744874659884,"sku":"HDRS-X3PRO","price":608.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/HYDROS-Control-X3-Monitor-Pack-CoralVue-102848367.jpg?v=1769368021"},{"product_id":"hydros-control-xs-starter-pack","title":"HYDROS Control XS Starter Pack","description":"\u003cp\u003e\u003cstrong\u003eThe HYDROS Control XS Starter Pack by CoralVue is a complete, sensor-focused aquarium controller kit for small-to-midsize tanks.\u003c\/strong\u003e Built around the compact Control XS and its four universal Sense Ports, it bundles everything you need to start monitoring your water and automating equipment on a saltwater or freshwater aquarium — straight out of the box.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eControl XS unit\u003c\/li\u003e\n\u003cli\u003ePower supply\u003c\/li\u003e\n\u003cli\u003eTemperature sensor\u003c\/li\u003e\n\u003cli\u003e4-Outlet WiFi AC Power Strip\u003c\/li\u003e\n\u003cli\u003eHYDROS app (iOS \u0026amp; Android)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you can do out of the box\u003c\/h3\u003e\n\u003cp\u003eAdd up to four sensors (temperature, water level, leak, and more), switch equipment through the included WiFi Power Strip, and receive alerts the moment something needs attention.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the XS pack different from the X2 pack?\u003c\/strong\u003e The XS is sensor-focused with four Sense Ports; the \u003ca href=\"\/products\/hydros-control-x2-starter-pack\"\u003eControl X2 Starter Pack\u003c\/a\u003e trades two of those for two Drive Ports that power small 12V devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it monitor pH?\u003c\/strong\u003e No — for pH\/ORP, step up to the \u003ca href=\"\/products\/hydros-control-x3-starter-pack\"\u003eControl X3 Starter Pack\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere can I see full XS specs?\u003c\/strong\u003e On the standalone \u003ca href=\"\/products\/hydros-control-xs\"\u003eHYDROS Control XS\u003c\/a\u003e page.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShipped fast with expert support.\u003c\/strong\u003e Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43744877805612,"sku":"HDRS-CXSPK","price":236.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/HYDROS-Control-XS-Starter-Pack-CoralVue-102847225.jpg?v=1767495071"},{"product_id":"hydros-control-x4","title":"HYDROS Control X4","description":"\u003cp\u003e\u003cstrong\u003eThe HYDROS Control X4 by CoralVue is a flagship all-in-one aquarium controller and automation hub.\u003c\/strong\u003e A single X4 monitors temperature, pH, ORP, and water level while controlling pumps, timers, level sensors, and more — no extra expensive modules required. Built for saltwater aquariums, freshwater tanks, and even pond applications, it's the most capable controller in the standard HYDROS lineup.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Probe Ports\u003c\/strong\u003e — monitor pH and ORP with accurate, reliable readings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour Sense Ports\u003c\/strong\u003e — universal inputs for temperature, water-level, leak, and other sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Drive Ports\u003c\/strong\u003e — switched 12V DC power for small devices, with current monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0–10V I\/O control\u003c\/strong\u003e — send and receive signals to variable-speed pumps, float switches, pushbuttons, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Command Bus ports\u003c\/strong\u003e — join other HYDROS controllers into one failsafe collective.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls up to eight HYDROS WiFi devices\u003c\/strong\u003e — manage your full equipment list from the app.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (L×W×H):\u003c\/strong\u003e 7.8″ × 3.6″ × 2.5″\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor:\u003c\/strong\u003e fast dual-core 32-bit — on-device control decisions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealth monitoring:\u003c\/strong\u003e internal voltages, currents, CPU status, and temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuild:\u003c\/strong\u003e splash-proof and dust-resistant industrial enclosure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat can one Control X4 monitor at once?\u003c\/strong\u003e Temperature, pH, ORP, and water level, among others — thanks to four Sense Ports and two Probe Ports — all without add-on modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the X4 run variable-speed pumps?\u003c\/strong\u003e Yes. Its 0–10V I\/O sends and receives signals to variable-speed pumps and other devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the X4 overkill for a small tank?\u003c\/strong\u003e For a basic setup the \u003ca href=\"\/products\/hydros-control-x2\"\u003eControl X2\u003c\/a\u003e or \u003ca href=\"\/products\/hydros-control-x3\"\u003eControl X3\u003c\/a\u003e may be plenty. Choose the X4 when you want one controller to do everything on a larger or more advanced system.\u003c\/p\u003e\n\n\u003cp\u003ePair it with the \u003ca href=\"\/products\/hydros-control-xp8\"\u003eControl XP8\u003c\/a\u003e outlet bar or the \u003ca href=\"\/products\/hydros-control-kraken\"\u003eKraken\u003c\/a\u003e power manager for a complete build — or start with the \u003ca href=\"\/products\/hydros-control-x4-starter-pack\"\u003eControl X4 Starter Pack\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShipped fast with expert support.\u003c\/strong\u003e Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43744879018028,"sku":"HDRS-C4","price":413.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/HYDROS-Control-X4-CoralVue-102846754.jpg?v=1767495071"},{"product_id":"hydros-control-x4-pro-pack","title":"HYDROS Control X4 Pro Pack","description":"\u003cp\u003e\u003cstrong\u003eThe HYDROS Control X4 Pro Pack by CoralVue is the top-tier HYDROS bundle — the flagship Control X4 paired with the eight-outlet Control XP8 for the ultimate monitor-and-control system.\u003c\/strong\u003e The X4 monitors temperature, pH, ORP, and water level and adds Drive Ports and 0–10V control, while the XP8 switches up to eight 120V AC outlets. A Command Bus cable ties them into one failsafe collective for the most demanding saltwater, freshwater, and pond setups.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eControl X4 unit\u003c\/li\u003e\n\u003cli\u003eControl XP8 unit (eight 120V AC outlets)\u003c\/li\u003e\n\u003cli\u003eTemperature sensor\u003c\/li\u003e\n\u003cli\u003epH probe \u0026amp; calibration solutions\u003c\/li\u003e\n\u003cli\u003e6 ft Command Bus cable with two terminators\u003c\/li\u003e\n\u003cli\u003eHYDROS app (iOS \u0026amp; Android)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you can do out of the box\u003c\/h3\u003e\n\u003cp\u003eMonitor temperature, pH, ORP, and water level; add sensors across four Sense Ports and two Probe Ports; integrate variable-speed pumps via 0–10V I\/O; power small 12V devices from the Drive Ports; and directly switch up to eight pieces of equipment on the XP8's AC outlets.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes this the top pack?\u003c\/strong\u003e It combines the most capable HYDROS controller (the \u003ca href=\"\/products\/hydros-control-x4\"\u003eX4\u003c\/a\u003e) with eight hardwired, individually switched AC outlets (the \u003ca href=\"\/products\/hydros-control-xp8\"\u003eXP8\u003c\/a\u003e) — monitoring and full power control in one failsafe system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does it compare to the X3 Pro Pack?\u003c\/strong\u003e The \u003ca href=\"\/products\/hydros-control-x3-pro-pack\"\u003eX3 Pro Pack\u003c\/a\u003e is similar but built on the X3; the X4 adds more Sense and Probe Ports plus 0–10V control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFull specs?\u003c\/strong\u003e See the standalone \u003ca href=\"\/products\/hydros-control-x4\"\u003eControl X4\u003c\/a\u003e and \u003ca href=\"\/products\/hydros-control-xp8\"\u003eControl XP8\u003c\/a\u003e pages.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShipped fast with expert support.\u003c\/strong\u003e Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.\u003c\/p\u003e","brand":"CoralVue","offers":[{"title":"Default Title","offer_id":43744880132140,"sku":"HDRS-X4PRO","price":820.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/HYDROS-Control-X4-Pro-Pack-CoralVue-102846834.jpg?v=1767495077"},{"product_id":"icecap-carbon-infused-filter-pad","title":"IceCap Carbon Infused Filter Pad","description":"\u003cp\u003eThe \u003cstrong\u003eIceCap Carbon Infused Filter Pad\u003c\/strong\u003e combines mechanical particulate trapping with activated carbon embedded directly in the fiber, giving hobbyists a single cut-to-size pad that polishes water and pulls out dissolved toxins at the same time.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 10in x 18in, cut to fit any filter, canister, or sump baffle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia type:\u003c\/strong\u003e non-woven poly fiber pad infused with activated carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemoves:\u003c\/strong\u003e toxins, medication residue, odor, yellow water tint, and free-floating particulates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse in:\u003c\/strong\u003e freshwater, planted, and saltwater\/reef systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis is the pad to reach for after dosing medication or when water develops a yellow tint or odor — the embedded carbon pulls out dissolved organic compounds that a plain mechanical pad can't touch, while the fiber layer still catches debris.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePairs well with:\u003c\/strong\u003e IceCap White Poly Fiber, Ammonia Removal, and Nitrate Removal filter pads for a layered filtration setup.\u003c\/p\u003e","brand":"IceCap","offers":[{"title":"Default Title","offer_id":43823982444588,"sku":"IC-CBP","price":13.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/carbonpadpackagefrontcenter.webp?v=1755007706"},{"product_id":"dymax-flora-scaping-glue","title":"Dymax Flora Scaping Glue","description":"\u003cp\u003eDymax Flora Scaping Glue is a cyanoacrylate-style aquascaping adhesive that bonds moss, Java fern, and small plants directly to rocks and driftwood in freshwater aquascapes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e20g glue bottle (sold individually; 24 bottles per master box)\u003c\/li\u003e\n\u003cli\u003eCures underwater within seconds of contact\u003c\/li\u003e\n\u003cli\u003eBonds to rock, driftwood, and other inert hardscape\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBecause it sets almost instantly underwater, there's no need to tie plants down with thread and wait weeks for moss to take hold on its own — place a small dab, press the plant against the hardscape, and it stays put immediately, which is especially useful on vertical or overhanging surfaces where thread anchoring is awkward.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e One 20g glue bottle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible with:\u003c\/strong\u003e Moss, Java fern, and small stem or epiphytic plants; use on rock, driftwood, and other inert aquascaping hardscape.\u003c\/p\u003e","brand":"Dymax","offers":[{"title":"Default Title","offer_id":43824041820204,"sku":"DM-FSGLU1","price":3.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/Dymax-Flora-Scaping-Glue-Dymax-115679079.webp?v=1767495130"},{"product_id":"clsc-90hob","title":"Classic 90 HOB Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus Classic 90 HOB Protein Skimmer\u003c\/strong\u003e is built for aquarists who don't have a sump but still want real protein skimming instead of hang-on filtration alone. It mounts directly on the back of the tank, pulling water through a cylindrical reaction chamber where a needle-wheel pump shears it into a dense field of micro-bubbles. Dissolved organics stick to those bubbles and rise into the collection cup as thick, dark skimmate — pulled out of the water column before it ever has a chance to break down into nitrate and phosphate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e reef, FOWLR, and mixed saltwater tanks up to roughly 90 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e hang-on-back, no sump required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e needle-wheel design tuned for fine, stable bubble production\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e collection cup lifts out for easy weekly cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBecause it runs external to the tank, the Classic 90 HOB is a straightforward retrofit for all-in-one and standard rimmed aquariums that were never plumbed for a sump. It's the same Classic Series build quality — cast acrylic body, self-priming pump — just packaged for hang-on use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Reef Octopus needle-wheel pump parts and collection cups sized for the Classic 90\/100 HOB series.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932077752364,"sku":"CLSC-90HOB","price":375.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/Classic-90-HOB-Protein-Skimmer-Reef-Octopus-116283095.jpg?v=1767499691"},{"product_id":"clsc-100hob","title":"Classic 100 HOB Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus Classic 100 HOB Protein Skimmer\u003c\/strong\u003e steps up the Classic Series' hang-on-back design for aquarists running larger single-tank setups without a sump. Water is drawn through a needle-wheel pump and sheared into fine bubbles inside a cast acrylic reaction chamber, giving dissolved organics a huge surface area to bond to before they're carried up into the collection cup as dark, concentrated skimmate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e reef, FOWLR, and mixed saltwater tanks up to approximately 105 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e external hang-on-back mount — no sump plumbing needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e self-priming needle-wheel pump for consistent microbubble production\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e removable cup and riser tube for quick weekly cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt's a natural next step up from the Classic 90 HOB when bioload outgrows a smaller skimmer, without forcing a switch to an in-sump model. Export capacity scales with the taller reaction chamber, so contact time — and skimmate yield — goes up along with tank size.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Classic 100\/1000 HOB series pumps and collection cups.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932077785132,"sku":"CLSC-100HOB","price":334.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/Classic-100-HOB-Protein-Skimmer-Reef-Octopus-116283114.jpg?v=1767499807"},{"product_id":"clsc-1000hob","title":"Classic 1000 HOB Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus Classic 1000 HOB Protein Skimmer\u003c\/strong\u003e is one of the most established hang-on-back skimmers in the hobby, built for aquariums up to roughly 130 gallons that don't have sump access. Its compact cylindrical body mounts externally on the tank rim, with the pump and reaction chamber positioned outside the display so it takes up zero display-side real estate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e reef, FOWLR, and mixed saltwater tanks up to approximately 130 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e hang-on-back, no sump plumbing required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e needle-wheel pinwheel pump for fine, stable microbubbles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e tall collection cup extends time between empties\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBecause the pump sits outside the waterline rather than submerged in the display, the Classic 1000 HOB also runs quieter and cooler than many internal hang-on designs — a detail that matters on tanks positioned in living spaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Classic 100\/1000 HOB series pump kits and collection cups.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932077817900,"sku":"CLSC-1000HOB","price":358.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/Classic-1000-HOB-Protein-Skimmer-Reef-Octopus-116291583.jpg?v=1767529532"},{"product_id":"clsc-2000hob","title":"Classic 2000 HOB Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus Classic 2000 HOB Protein Skimmer\u003c\/strong\u003e is the largest hang-on-back model in the Classic Series, built for aquarists without sump access who are running heavier bioloads than the 90\/100\/1000 HOB models can handle. A distinctive external pump placement keeps the motor outside the reaction chamber, which helps the unit run cooler and quieter over long duty cycles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e reef, FOWLR, and mixed saltwater tanks without sump access, heavier bioload\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e hang-on-back, external pump placement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e needle-wheel pump mounted outside the reaction chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e tall collection cup for longer intervals between empties\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhen a HOB skimmer needs to keep pace with a larger, more heavily stocked tank, the 2000 HOB is the top of the Classic hang-on-back line before you'd need to move to an in-sump setup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Classic 2000 HOB pump kits and collection cups.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932077850668,"sku":"CLSC-2000HOB","price":404.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/clsc-2000hob-1.jpg?v=1776833269"},{"product_id":"clsc-110int","title":"Classic 110-INT Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus Classic 110-INT Protein Skimmer\u003c\/strong\u003e is the in-sump entry point to the Classic Series, built to sit inside a standard sump rather than hang on the tank. Its cone-shaped cast acrylic body and needle-wheel pump combine for long bubble contact time in a compact footprint, exporting dissolved organics as concentrated skimmate before they ever cycle into nitrate or phosphate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e reef and mixed saltwater systems with sump capacity, typically up to 150 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e in-sump, vertical cone body\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e needle-wheel pinwheel pump, self-priming\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e gate-valve water level adjustment for dialing in wet vs. dry skimmate\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe 110-INT is a common recommendation for hobbyists moving from a HOB skimmer into their first sump build — it delivers noticeably more consistent skim quality once water level and air intake are dialed in, and the cone shape keeps the footprint small in tight sump compartments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Classic 110 series needle-wheel pumps, neck extensions, and collection cups.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932077916204,"sku":"CLSC-110INT","price":326.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/clsc-110int-1.jpg?v=1776833268"},{"product_id":"clsc-150int","title":"Classic 150-INT Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus Classic 150-INT Protein Skimmer\u003c\/strong\u003e steps the Classic Series up to aquariums as large as 210 gallons, with a taller cone body that extends bubble contact time and boosts export capacity over the 110-INT without needing a larger sump footprint than most standard cabinets can handle.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e reef and mixed saltwater systems up to approximately 210 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e in-sump, standard cone footprint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e needle-wheel pump for consistent, fine bubble production\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e gate-valve water level control, removable cup\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAs the mid-size option in the Classic INT lineup, the 150-INT is the model most 150-210 gallon reef builds land on when they want dependable, set-and-forget skimming without stepping up to the Elite or Regal DC-controlled lines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Classic 150 series pumps, neck extensions, and collection cups.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932077981740,"sku":"CLSC-150INT","price":381.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/clsc-150int-1.jpg?v=1776833268"},{"product_id":"clsc-200int","title":"Classic 200-INT Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus Classic 200-INT Protein Skimmer\u003c\/strong\u003e is the large-tank option in the Classic in-sump lineup, built for well-stocked reef and mixed saltwater systems. Its taller cone body extends bubble contact time over the 150-INT, giving heavier bioloads the export capacity they need without stepping up to a DC-controlled Elite or Regal model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e reef and mixed saltwater systems in the 200+ gallon range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e in-sump, standard cone footprint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e needle-wheel pump for consistent microbubble production\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e gate-valve water level control, removable collection cup\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor hobbyists who want Elite\/Regal-class capacity with a simpler fixed-speed pump and a lower price point, the 200-INT is the Classic Series' answer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Classic 200 series pumps, neck extensions, and collection cups.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078014508,"sku":"CLSC-200INT","price":473.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/clsc-200int-1.jpg?v=1776833267"},{"product_id":"sro-1000int","title":"SRO 1000 In-Sump Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus SRO 1000 In-Sump Protein Skimmer\u003c\/strong\u003e is the entry point to the Super Reef Octopus line, sized for aquariums from 75 to 125 gallons. Its Hybrid Cone Body and Bubble Diffusing Chamber stabilize rising foam for cleaner collection, while the Bubble Blaster HY-1000 pinwheel pump keeps energy draw low without sacrificing bubble quality.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 75 to 125 gallons, excluding sump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e Bubble Blaster HY-1000 pinwheel pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e Hybrid Cone body, solid acrylic construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e oversized air silencer for quiet operation, large collection cup with directional drain guide, precision output flow valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe SRO line uses a fixed-speed AC pump rather than the DC pumps found in the Elite and Regal series — a straightforward, lower-cost option for hobbyists who don't need variable-speed control.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Bubble Blaster HY-1000 pump kits and collection cups for the SRO 1000 series.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078047276,"sku":"SRO-1000INT","price":418.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/marine-concept-supply-no-image-available.png?v=1794065760"},{"product_id":"sro-2000int","title":"SRO 2000 In-Sump Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus SRO 2000 In-Sump Protein Skimmer\u003c\/strong\u003e steps up to aquariums up to 200 gallons, powered by the Bubble Blaster HY-2000 pinwheel pump. Like the rest of the SRO line, it uses a Hybrid Cone Body and Bubble Diffusing Chamber to reduce turbulence in the neck and give organics more contact time to rise into the collection cup.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e up to 200 gallons, excluding sump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e Bubble Blaster HY-2000 pinwheel pump, low energy consumption and heat emission\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e Hybrid Cone body, solid acrylic construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e precision output flow valve, oversized collection cup\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe SRO 2000 is a common step-up choice for hobbyists whose SRO 1000 has been outgrown by a heavier bioload but who still want fixed-speed simplicity over a DC-controlled model.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Bubble Blaster HY-2000 pump kits and collection cups for the SRO 2000 series.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078080044,"sku":"SRO-2000INT","price":545.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/marine-concept-supply-no-image-available.png?v=1794065760"},{"product_id":"sro-3000int","title":"SRO 3000 In-Sump Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus SRO 3000 In-Sump Protein Skimmer\u003c\/strong\u003e is built for aquariums up to 300 gallons, running the Bubble Blaster HY-3000 pinwheel pump for efficient, low-energy filtration. The Hybrid Cone Body and Bubble Diffusing Chamber work together to stabilize foam production before it reaches the oversized collection cup.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e up to 300 gallons, excluding sump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e Bubble Blaster HY-3000 pinwheel pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e Hybrid Cone body, solid acrylic construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e oversized air silencer, precision control output valve, oversized collection cup\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAs the mid-size option in the fixed-speed SRO line, the 3000 is a common recommendation for 250-300 gallon systems that don't need DC variable-speed control.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Bubble Blaster HY-3000 pump kits and collection cups for the SRO 3000 series.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078178348,"sku":"SRO-3000INT","price":739.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/image_512_706af3b5-2caf-4bbf-9bfc-54f972fdb3f6.webp?v=1794062933"},{"product_id":"sro-5000int","title":"SRO 5000 In-Sump Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus SRO 5000 In-Sump Protein Skimmer\u003c\/strong\u003e is the top-of-line fixed-speed SRO model, rated for aquariums up to 500 gallons. It runs the energy-efficient Bubble Blaster HY-5000 pinwheel pump inside the same Hybrid Cone body used across the line, with a 2-year pump warranty and 1-year warranty on rotor and skimmer body.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e up to 500 gallons, excluding sump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e Bubble Blaster HY-5000 pinwheel pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e Hybrid Cone body, solid acrylic construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e oversized air silencer, large collection cup with directional drain guide, precision output flow valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2-year pump, 1-year rotor and skimmer body\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAt 500 gallons rated capacity, the SRO 5000 is the ceiling of the standard in-sump SRO line before stepping up to the recirculating ext models or the XP8000\/9000EXT commercial skimmers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Bubble Blaster HY-5000 pump kits and collection cups for the SRO 5000 series.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078211116,"sku":"SRO-5000INT","price":912.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/image_512_eb38c52c-6d9f-4c90-b2cd-91da2a96784b.webp?v=1794062933"},{"product_id":"clsc-110ext","title":"Classic 110ext Recirculating Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus Classic 110ext Recirculating Protein Skimmer\u003c\/strong\u003e moves the reaction chamber outside the sump entirely. Water is pumped up into the external body, recirculated through the needle-wheel pump for extended air\/water contact time, then gravity-drains back to the sump — a setup that typically produces drier, more concentrated skimmate than an in-sump body of the same size.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e reef and mixed saltwater systems where external plumbing space is available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e external, recirculating — mounts next to (not inside) the sump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e needle-wheel pump with recirculation for longer bubble contact time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e external mounting simplifies cup access and cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRecirculating designs like this trade a slightly larger plumbing footprint for better export efficiency, which is why many aquarists moving up from an in-sump Classic model choose the ext line as their next upgrade.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Classic 110ext pump kits and collection cups.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078243884,"sku":"CLSC-110EXT","price":400.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/image_512_59747246-8709-4d6f-80bb-05d6fceb83f8.webp?v=1794062811"},{"product_id":"clsc-150ext","title":"Classic 150ext Recirculating Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus Classic 150ext Recirculating Protein Skimmer\u003c\/strong\u003e pairs the 150-size reaction chamber with an external, recirculating design for aquarists who want drier skimmate and more control over export than an in-sump body typically delivers at this tank-size range. Water recirculates through the needle-wheel pump outside the sump, extending air\/water contact before draining back.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e reef and mixed saltwater systems up to roughly 210 gallons with external plumbing room\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e external, recirculating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e needle-wheel pump with recirculation loop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e external body simplifies cup checks without reaching into the sump\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the ext line over the INT\/SSS when floor space next to the sump is available and you want the extra skim quality recirculation provides.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Classic 150ext pump kits and collection cups.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078276652,"sku":"CLSC-150EXT","price":531.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/image_512_e3a1afa0-74c5-4a18-8fc6-f46b2b52c401.webp?v=1794062811"},{"product_id":"sro-5000ext","title":"SRO 5000ext Recirculating External Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus SRO 5000ext Recirculating External Protein Skimmer\u003c\/strong\u003e moves the SRO 5000 platform outside the sump, recirculating water through the Bubble Blaster HY-5000s pump via a max-injection venturi system for drier, richer skimmate. Because it's a recirculating design, it requires a dedicated feed pump rated at 1.5-2x system volume (roughly 800-1100 GPH suggested).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBioload capacity:\u003c\/strong\u003e 300 gallons (heavy), 500 gallons (medium), 600 gallons (light), excluding sump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e external, recirculating — requires a separate feed pump (max feed rate 1,200 GPH)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e Bubble Blaster HY-5000s pinwheel pump, 45 watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e refined hybrid half-cone body, oversized collection cup with drain, bubble dispersant plate\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBecause this model needs its own feed pump rather than pulling directly off the sump return, plan for that additional pump when budgeting the install.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Bubble Blaster HY-5000s pump kits and collection cups for the SRO 5000ext series.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078440492,"sku":"SRO-5000EXT","price":1212.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/image_512_71afbdd5-f0ff-44b2-a016-83dc7fe78e44.webp?v=1794062811"},{"product_id":"sro-6000ext","title":"SRO 6000ext Recirculating External Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus SRO 6000ext Recirculating External Protein Skimmer\u003c\/strong\u003e is rated from 500 to 700 gallons and mounts external to the sump, recirculating through the Bubble Blaster HY-5000s pump for extended contact time. Like the 5000ext, it requires a dedicated feed pump — max feed rate is 1,400 GPH, with 1,100-1,300 GPH suggested for typical setups.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBioload capacity:\u003c\/strong\u003e 500 gallons (heavy), 600 gallons (medium), 700 gallons (light), excluding sump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e external, recirculating — requires a separate feed pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e Bubble Blaster HY-5000s pinwheel pump, 45 watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e refined hybrid half-cone body, oversized collection cup with drain, bubble dispersant plate\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBudget for the required feed pump when planning this install — it's not included and the skimmer won't perform correctly without one sized to spec.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Bubble Blaster HY-5000s pump kits and collection cups for the SRO 6000ext series.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078506028,"sku":"SRO-6000EXT","price":1362.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/image_512_7e978dd3-1d16-4958-ae10-727b4088215d.webp?v=1794062811"},{"product_id":"sro-9000ext","title":"SRO-9000EXT Light Commercial Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus SRO-9000EXT Light Commercial Protein Skimmer\u003c\/strong\u003e is the largest model in the SRO line, built for tanks from 1,050 to 3,000 gallons — large home systems, frag farms, and small commercial or store displays. It stands 44 inches tall with a 20-inch body and runs dual Bubble Blaster HY-10000 pumps drawing less than 190 watts combined.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 1,050 to 3,000 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 44in tall, 20in body diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePumps:\u003c\/strong\u003e dual Reef Octopus Bubble Blaster HY-10000 pinwheel pumps, under 190 watts total, 2-year pump warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e clear volute housing for easy maintenance, digital control circuit board that automatically shuts off the pump if a problem is detected\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe digital shutoff circuit is worth calling out — on a system this size, a stuck or dry-running pump can cause real damage, so the automatic fault protection is a meaningful safety feature rather than a nice-to-have.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Bubble Blaster HY-10000 pump kits for the SRO-9000EXT.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078538796,"sku":"SRO-9000EXT","price":4388.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/image_512_efb42db3-303a-4ac6-bfa5-7517313ce51d.jpg?v=1794062812"},{"product_id":"sro-5000sss","title":"SRO 5000 Space Saver Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus SRO 5000 Space Saver Protein Skimmer\u003c\/strong\u003e fits the same 500-gallon-rated Bubble Blaster HY-5000 pump platform into a small-footprint, modified cone body for tighter sump compartments. A gate valve output gives precise control, and the quick-release collection cup neck makes cleaning fast.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e up to 500 gallons, excluding sump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e Bubble Blaster HY-5000 pinwheel pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e small-footprint modified cone transition body\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e gate valve output, quick-release collection cup neck, oversized air silencer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2-year pump, 1-year rotor and skimmer body\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the Space Saver body over the standard SRO 5000 when sump width, not capacity, is what's limiting your skimmer options.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Bubble Blaster HY-5000 pump kits and collection cups for the SRO 5000 series.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078571564,"sku":"SRO-5000SSS","price":970.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/sro-5000sss-1.jpg?v=1776833258"},{"product_id":"sro-6000sss","title":"SRO 6000 Space Saver Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus SRO 6000 Space Saver Protein Skimmer\u003c\/strong\u003e is rated from 400 gallons at heavy bioload up to 600 gallons at light bioload, built around the Bubble Blaster 5000 pinwheel pump (45 watts) in a small-footprint, modified cone body. A removable turbulence-reducing bubble plate and precision output valve round out the feature set.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBioload capacity:\u003c\/strong\u003e 400 gallons (heavy), 500 gallons (medium), 600 gallons (light), excluding sump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e Bubble Blaster 5000 pinwheel pump, 45 watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e small footprint, modified cone transition, 12in body \/ 15in x 12.5in footprint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e removable bubble plate, quick-release collection cup, oversized air silencer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2-year pump body and rotor, 1-year skimmer body\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe bioload range — 400 to 600 gallons — reflects how differently this skimmer performs against light vs. heavy waste loads; size for your heavier estimate if your tank runs a large fish population.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Bubble Blaster 5000 pump kits and collection cups for the SRO 6000 series.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078604332,"sku":"SRO-6000SSS","price":1097.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/sro6000sss_skimmer.jpg?v=1776833258"},{"product_id":"sro-xp8000i","title":"SRO XP8000 In-Sump Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus SRO XP8000 In-Sump Protein Skimmer\u003c\/strong\u003e sits between the standard SRO 5000\/6000 lines and the commercial 9000EXT, built around the powerful Bubble Blaster HY-10000 pinwheel pump. Its full cone \"volcano\" body shape reduces back pressure on the pump compared to a standard cone, improving air\/water draw and organics removal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e large reef and mixed saltwater systems stepping up from the 5000\/6000 SRO line\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e Bubble Blaster HY-10000 pinwheel pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e full cone \"volcano\" shape, bubble diffusing chamber, large air silencer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2-year pump and rotor, 1-year skimmer body\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe full-cone volcano shape is the key difference from the standard SRO cone bodies — it lowers back pressure on the HY-10000 pump so it can move more air and water at the same power draw.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Bubble Blaster HY-10000 pump kits and collection cups for the SRO XP8000 series.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078637100,"sku":"SRO-XP8000I","price":1732.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/sro-xp8000i-1.jpg?v=1776833257"},{"product_id":"sro-xp8000e","title":"SRO XP8000E Recirculating External Protein Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus SRO XP8000E Recirculating External Protein Skimmer\u003c\/strong\u003e takes the XP8000 platform outside the sump for maximum contact time, recirculating through the Bubble Blaster HY-10000 pinwheel pump. The full cone body reduces back pressure on the pump for stronger air\/water draw, and an oversized air silencer keeps operation quiet despite the pump's size.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e large reef and mixed saltwater systems needing external, high-capacity recirculating skimming\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e external, recirculating — requires a separate feed pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e Bubble Blaster HY-10000 pinwheel pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e full cone body, bubble diffusing chamber with directional flow guide lid, waste drain, unit venting\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAs with other SRO ext models, this is a recirculating design and needs a dedicated feed pump — factor that into your plumbing plan before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e Bubble Blaster HY-10000 pump kits and collection cups for the SRO XP8000 series.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078866476,"sku":"SRO-XP8000E","price":2309.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/sro-xp8000e-1.jpg?v=1776833256"},{"product_id":"oct-ns80","title":"Reef Octopus NS80 Nano Skimmer","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus NS80 Nano Skimmer\u003c\/strong\u003e packs core protein-skimming features into a small footprint built for nano tanks. It fits small wet\/dry sumps, nano tank overflows, and even in-display setups, with a positionable mounting bracket that lets you angle it to fit odd corners.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiltration capacity:\u003c\/strong\u003e 10 gallons (heavy), 15 gallons (medium), 25 gallons (light)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e OTP-200s pinwheel pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e bubble diffuser, positionable mounting bracket, easy-remove collection cup, adjustable riser pipe for water level control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 year on pump and skimmer body\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor a tank this small, skimmer choice matters more than people expect — a unit sized for a 10-25 gallon nano tank avoids the over-skimming that strips a small system of trace elements too fast.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e OTP-200s pump kits and collection cups for the NS80.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932078899244,"sku":"OCT-NS80","price":103.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/ns80skimmer.jpg?v=1776833256"},{"product_id":"oct-cr100","title":"CR100 4 inch Calcium Reactor","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus CR100 4-Inch Calcium Reactor\u003c\/strong\u003e is the entry point to the Classic calcium reactor line, using a reverse-flow design to maximize contact time between aquarium water, pressurized CO2, and aragonite media. As CO2 lowers the pH inside the chamber, the aragonite dissolves and releases calcium, alkalinity, and trace elements back into the water — a largely automated way to keep up with coral demand.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e hobbyist reef tanks wanting automated calcium\/alkalinity dosing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 4-inch reaction chamber, reverse-flow design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitoring:\u003c\/strong\u003e built-in pH probe holder and bubble counter for tracking CO2 drip rate (pH probe and controller sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA calcium reactor is the lowest-maintenance way to keep pace with SPS-heavy or otherwise calcium-hungry systems — once dialed in, it needs far less manual dosing than liquid two-part supplements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e media chamber seals and bubble counters for the CR100.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932079030316,"sku":"OCT-CR100","price":438.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/marine-concept-supply-no-image-available.png?v=1794065760"},{"product_id":"oct-cr140","title":"CR140 5.5 inch Calcium Reactor","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus CR140 5.5-Inch Calcium Reactor\u003c\/strong\u003e steps up chamber size from the CR100 for reef systems with a heavier coral load or higher calcium demand. Its reverse-flow design keeps CO2-charged water in contact with aragonite media longer, dissolving it into bioavailable calcium, alkalinity, and trace elements.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e larger hobbyist reef tanks or heavier SPS\/calcium demand than the CR100 can keep up with\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 5.5-inch reaction chamber, reverse-flow design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitoring:\u003c\/strong\u003e built-in pH probe holder and bubble counter for tracking CO2 drip rate (pH probe and controller sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe larger 5.5-inch chamber holds more media between refills than the CR100, which means longer intervals between having to recharge aragonite.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatible replacement parts:\u003c\/strong\u003e media chamber seals and bubble counters for the CR140.\u003c\/p\u003e","brand":"Reef Octopus","offers":[{"title":"Default Title","offer_id":43932079063084,"sku":"OCT-CR140","price":531.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/marine-concept-supply-no-image-available.png?v=1794065760"},{"product_id":"sro-cr5000d","title":"SRO CR5000D 8in Dual Chamber Calcium Reactor","description":"\u003cp\u003eThe \u003cstrong\u003eReef Octopus SRO CR5000D 8-Inch Dual Chamber Calcium Reactor\u003c\/strong\u003e is the largest fixed-speed calcium reactor in the SRO line, running two 8-inch chambers in series for maximum dissolution efficiency on demanding systems. 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