Aquarium Filter 50 Piece Ceramic Rings Plus Bio Balls in Media Bags for Aquarium Canister, 500 g

Description

Bio-ball – 1″ bio balls are state of the art filter media for use in freshwater and saltwater wet/dry systems. They may be connected together placed in the filter box at random. Bio-balls help produce turbulence, aiding in the critical gas-exchange process that is needed for successful biological filtration. The void space between the bio-pins is ideal for the movement of gasses like oxygen and allows it to more-readily come in contact with nitrifying bacteria living on the media surface. Cerami