Which Aquarium Filter Fits Your Tank?

Answer a few quick questions about your aquarium and setup. We’ll point you toward the best-matching filter from our Filters & Pumps picks.

Turn on JavaScript to use the quiz. Here are all the models it chooses from:Fluval 407 Performance Canister Filter — A balanced canister for 50–100 gallon community or planted tanks that need strong filtration without jumping to the oversized FX models. Read our reviewFluval FX6 High Performance Aquarium Filter — Best for very large, heavily stocked aquariums where maximum filtration capacity and lots of biological media space matter most. Read our reviewFluval FX4 High Performance Aquarium Filter — A strong big-tank choice when you want serious output and less bulk than the FX6. Read our reviewFluval 307 Performance Canister Filter — Great for 40–70 gallon aquariums when you want a compact canister with efficient everyday filtration. Read our reviewFluval FX2 Canister Filter — Good for large tanks with lighter to moderate stocking when you want FX-style filtration in a smaller body. Read our reviewSeachem Tidal 35 — A smart 20-gallon pick if you want extra headroom, adjustable flow, and a surface skimmer. Read our reviewFluval AquaClear 30 Power Filter — Best if you want a 20-gallon filter with flexible media layouts and strong turnover. Read our reviewTetra Whisper IQ 30 Power Filter — A quiet, low-fuss choice for standard 20-gallon aquariums that favor simple cartridge maintenance. Read our reviewTetra Whisper IQ 20 Power Filter — Best for lightly stocked 20-gallon setups when you want gentler flow and a smaller footprint. Read our review

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Which Aquarium Filter Fits Your Tank?

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