aquarium accessories
Detailed Product Description
Ceramic ring/aquarium accessories
Double features filter medium, can be used as a mechanical prefilter medium for coarse particles or as a biological filter medium. As prefilter medium, protects the biological filter material from rapid silting.
The hollow structure provides ideal conditions for beneficial bacteria, whilst at the same time allowing excellent rates of water-turnover.
Highly efficient surface for beneficial bacteria to colonize.
5# 10# 17# ceramic rings
25kg/bag