AQUACITY Premier Bulk Bio Ceramic Rings Filter Media for Aquarium Koi Fish Pond Reef Filter (5 Lbs)

Description

This Bio ceramic ring provides biological filtration for your aquarium and fish pond. The ceramic material that these bio rings are made of is extremely porous. The surface area and tiny pores make it an ideal home for the cycle bacteria that you want in the filter. Good to use for both fresh and saltwater aquariums