Replacement Cartridges for Aquariums

One of the most basic and easy to use aquarium filters is the power filter, or hang on back filter. Most aquarium power filters have a slot for a filter cartridge that is usually filled with activated carbon and warped in aquarium filter pads. Every 4 to 6 weeks, you just pull out the filter cartridge and add a clean one. Before you replace the cartridge, you may want to quickly rinse the new filter cartridge to remove any carbon ash. Many aquarists also like to add a squirt of beneficial bacteria, to replenish the bacteria that were living on the old filter cartridge. Some manufacturers make bulk filter cartridge packs that allow you to assemble your own cartridges at a discount.
55 Results
Coralife BioCube Replacement Filter Cartridge - 2pk

Coralife BioCube Replacement Filter Cartridge - 2pk

Lifegard Aquatics 29-1/2 inch Micron Cartridge R172010

Lifegard Aquatics 29-1/2 inch Micron Cartridge R172010

Fluval Carbon Filter Media, 100 gram (3/pk nylon bags)

Fluval Carbon Filter Media, 100 gram (3/pk nylon bags)

Coralife BioCube Limewood Airstone for Protein Skimmer

Coralife BioCube Limewood Airstone for Protein Skimmer

API FilStar Micro-Filtration Pad

API FilStar Micro-Filtration Pad

Lifegard Aquatics 19-1/2 inch Micron Cartridge CL-19 R172021

Lifegard Aquatics 19-1/2 inch Micron Cartridge CL-19 R172021

API FilStar Super Activated Carbon

API FilStar Super Activated Carbon

Dennerle Filter Replacement Elements - 3 Pack

Dennerle Filter Replacement Elements - 3 Pack

JBJ Reaction Canister Filter: Replacement Filter Floss

JBJ Reaction Canister Filter: Replacement Filter Floss

Lifegard Aquatics 9 inch 20 Micron Cartridge CL-9 R172006A

Lifegard Aquatics 9 inch 20 Micron Cartridge CL-9 R172006A

Nu-Clear Premium Activated Carbon 1.5 lbs for Nu-Clear 522/533

Nu-Clear Premium Activated Carbon 1.5 lbs for Nu-Clear 522/533

API FilStar Foam 30

API FilStar Foam 30

API FilStar Foam 20

API FilStar Foam 20

Red Sea Max 130 Replacement Black Mechanical Filter Sponge

Red Sea Max 130 Replacement Black Mechanical Filter Sponge

Eheim Filter Pad Set for ECCO Pro 130, 200 and 300 Canister Filter

Eheim Filter Pad Set for ECCO Pro 130, 200 and 300 Canister Filter

Eheim Fine Filter Pad for Ecco Canister Filters 3/pk

Eheim Fine Filter Pad for Ecco Canister Filters 3/pk

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