Without them, you’re just left with a ton of waste that will kill your fish. The Best Bio Media For Your Canister Filter & Aquarium Canister filters offer a lot of advantages for those who use them.

Penn-Plax Cascade 1000 Aquarium Canister Filter – Provides Physical, Biological, and Chemical Filtration – 265 Gallons per Hour (GPH) 9264 ratings View Product Buy it on Amazon More info 4 ...

How Undergravel Filters Work To install an undergravel filter, you must start with an empty tank. The filter is made up of a flat, rectangular plastic plate that will sit on the bottom of your tank.

Designed for tanks up to 1500 litres, this high-capacity canister filter delivers impressive water clarity with multi-stage filtration that removes debris, chemical impurities and harmful toxins.

Fluval 307/407 Ammonia Remover Pad, Replacement Aquarium Canister Filter Media, 6-Pack, for All Breed Sizes Rolf C. Hagen (USA) Corp. 2040 ratings View Product Buy it on Amazon More info 6 ...