allpondsolutions Ceramic Rings Biological Filter Media For Aquarium Fish Tank & Pond 400g with Mesh Net.

For use in Aquarium and Pond Filtration systems. Quantity 400g with Mesh Bag. These filter rings are packaged in mesh filter bags - allowing easy cleaning when inside your filter. Alternatively, these can be taken out of the media bag and placed loose in the filter. The huge surface area of these filter rings allow beneficial bacteria to colonise, and biologically filter your aquarium water - removing ammonia and nitrite. Ceramic rings are an ideal biological filter media for use in Aquarium and Pond Filters.