Ceramic Bio Rings - 1.7cm 1kg

1kg, this is roughly 1L worth

Bulk packaged white ceramic bio rings.

They are around 1.7cm wide and 1.7cm long.

Ceramic rings as a biological filter media can be used in aquarium filters

Enhance bacterial growth for biological filtration with these Ceramic Rings.

Designed to maximize surface area, they require no cleaning and are virtually maintenance free.

Safe for both fresh and saltwater tanks.