Hydor Ceramic Bio-rings filter media 450g

Hydor Ceramic Bio-rings filter medium, in the form of ceramic rings, is designed for biological filtration in aquarium filters. The porous structure of the rings provides an extensive surface area for colonisation by nitrifying bacteria. These beneficial microorganisms help to break down harmful ammonia and nitrites, contributing to clean and healthy water for your aquarium's inhabitants. The package contains 450g of the medium.