The ALEGI Aquarium Sponge Filter Pad is a 20 by 20 inch sheet of filter foam, one inch thick. You cut it to the shape your filter needs and use it as mechanical media. It catches suspended particles and waste, and like any foam it also gives beneficial bacteria a...
Seachem Purigen is a synthetic polymer resin that goes in your filter like carbon does, but works differently. It pulls dissolved organic waste out of the water before that waste breaks down into ammonia, nitrite and nitrate. Seachem makes it for freshwater and...
The Tetra Whisper 85 GPH Internal Power Filter is a small filter that clips inside the tank. It’s sized for 5 to 10 gallon aquariums and uses medium Whisper Bio-Bag cartridges. Water runs through the floss, which catches debris, and past activated carbon, which...
The Tetra Whisper Internal Power Filter clips to the inside wall of the aquarium instead of hanging over the rim. This model is sized for 20 to 40 gallon tanks. Water passes through a large Whisper Bio-Bag cartridge, where the floss traps debris and fish waste and the...
Tetra Whisper Bio-Bag cartridges are the replacement filter inserts for Tetra Whisper filters. Each one is a dense, dual-sided mesh bag filled with activated carbon. The mesh catches debris and fish waste, while the carbon removes odors and the yellow tint that builds...