Kinshi aqua bacto rings 17 mm 10 l kinshi bacto rings is a filter material specially designed for waste-processing bacteria. Through the ring-like structure, kinshi bacto ring can be ideally used in filters with a high water flow. In this oxygen-rich environment the material provides the largest surface for bacteria. Therefore hs aqua bacto rings are very suitable for biological filters in ponds with a large fish population or in ponds provide with a lot of food.
