An AC return pump doesn't have to hum audibly from across the room — Sicce built the Syncra Silent line specifically to prove that. Spanning eight sizes from nano to large display tanks, Syncra Silent is one of the most complete quiet-pump lineups in the hobby.
Why Quiet Matters for a Return Pump
A return pump runs continuously, and even a moderate hum becomes a constant background presence in a living room or bedroom setup. Syncra Silent pumps are engineered around noise reduction from the ground up, not just marketed as "quiet" while running like any other AC pump.
Choosing a Size
- Syncra Silent NANO — 110 GPH — packs Syncra-line reliability into one of Sicce's smallest pumps, usable submerged or in-line.
- Syncra Silent 0.5 — 185 GPH — the smallest in the numbered Silent line, sized for small aquariums, terrariums, and skimmer feed pumps.
- Syncra Silent 1.0 — 251 GPH — a common choice for small to mid-size aquariums and protein skimmers.
- Syncra Silent 2.0 — 568 GPH — a mid-size return pump popular for smaller reef tanks and sumps.
- Syncra Silent 3.0 — 714 GPH — sized for medium reef tanks needing more push than the 2.0.
- Syncra Silent 3.5 (High Head) — 660 GPH — trades some top-end flow for significantly more head height, the pick when the pump has to lift water further.
- Syncra Silent 4.0 — 951 GPH — a high-output return pump for larger reef tanks and sumps.
- Syncra Silent 5.0 — 1321 GPH — the largest pump in the line, for big display tanks and sumps needing serious flow with AC-pump simplicity.
Setup Tips
- Choose the 3.5 High Head variant specifically if your plumbing run has substantial vertical lift, not just based on GPH alone.
- Size for actual head height, not just tank volume, since output drops with elevation.
- Works submerged or in-line depending on the specific model and your plumbing setup.
The Sicce Syncra Silent line is available at Marine Concept Supply across all sizes — order online or pick up at our shop in Wheeling, IL. Shop NANO, 0.5, 1.0, 2.0, 3.0, 3.5 High Head, 4.0, or 5.0, and browse more aquarium pumps.
