Grand Ceramic Rings Biological Filter Media for Aquarium Filter, Biofloc Tank, Fish Tank for Fresh & Salt Water (1 KG)

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GRAND BIO Ceramic Rings Filter Media Biological Filtration for Fresh and Sea Water. The ceramic rings are very porous, although they look solid, there are zillions of tiny holes in it, and that makes it an ideal home for the cycle bacteria that you want in the filter. Ceramic rings are extremely porous, which provides a lot of surface area for beneficial bacteria to colonize. Hollow design effectively distributes water flow and allows massive colonies of beneficial bacteria to grow on and inside each ring, creating an ideal ?bio chemical filter?. Their surface area and pores are sized to accommodate bacteria necessary for biological balance and to remove toxic ammonia and nitrite. Suitable for all types of aquarium filters. Works internal external canister filters, hang on back filters, top filters, submersible power filters.