This Pond Filter Media is biological filter media for ponds and aquariums. It is suitable for the Fish Mate Powerclenz Pressure Filters, models 10000/15000/30000. 500g pack Powerclenz models 10000 and 15000 require 1x 500g Powerclenz 30000 requires 2x 500g
Lightweight, highly porous, ceramic material.
Totally inert (will not affect pH).
Suitable for all Fish Mate filters.