{"product_id":"fritz-maracyn®","title":"Fritz Maracyn®","description":"\u003cp\u003eMaracyn is a broad-spectrum antibiotic (erythromycin) that dissolves gradually in water, primarily effective against gram-positive bacteria. Treats body fungus, bacterial gill disease, popeye, mouth fungus, open lesions, hemorrhagic septicemia, and slime disease. Safe for fresh and saltwater systems.\u003c\/p\u003e\u003ch3\u003eDosing (per 10 gallons)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDays 1-5:\u003c\/strong\u003e 1 packet each day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDay 6:\u003c\/strong\u003e repeat the 5-day course if symptoms have improved but not fully resolved; if there's been no improvement, switch to Maracyn Two or Maracyn Oxy instead\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eImportant notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBest used in a quarantine tank; remove carbon during treatment and maintain flow\/aeration\u003c\/li\u003e\n\u003cli\u003ePause the skimmer if excess foaming is a concern; a UV sterilizer can stay on\u003c\/li\u003e\n\u003cli\u003eDo not perform water changes mid-course; watch ammonia\/nitrite (Fritz A.C.C.R. or Fritz Complete can help if needed)\u003c\/li\u003e\n\u003cli\u003eAlways complete the full 5-day course even if symptoms clear early\u003c\/li\u003e\n\u003cli\u003eSafe with invertebrates; sensitive plants may yellow temporarily\u003c\/li\u003e\n\u003cli\u003eFor aquarium use only - consult a vet or fish health expert for diagnosis\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSizes: 10-count treats 100 gal (item 46001), 20-count treats 200 gal (item 46002), 100g jar treats 1,000 gal (item 46046), 400g jar treats 4,700 gal (item 46051).\u003c\/p\u003e","brand":"Fritz","offers":[{"title":"Default Title","offer_id":43803393458220,"sku":"46000","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/4382\/5196\/files\/FritzMaracyn.png?v=1754998919","url":"https:\/\/www.marineconceptsupply.com\/products\/fritz-maracyn%c2%ae","provider":"Marine Concept Supply","version":"1.0","type":"link"}