A DIY external filter for a 26 gallon or bigger aquarium
Amazon.com : FZONE Astra-Stream Stainless Steel High Output Large Volume Aquatic External Canister Filter 15L for Freshwater Aquariums Includes Rapidtap Quick Connector and Vinly Tubing(Single Inlet) : Pet Supplies
8.3.2. Do-it-yourself Canisters
DIY Canister Filter by Franco Blanco Philippines | All About Planted Aquariums
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DIY canister filter with built in heater. | The Planted Tank Forum