Modern ceramic filter material with a unique structure. The porous structure create ideal conditions for the growth of beneficial bacteria. Due to the innumerable number of pores of different sizes, aerobic and anaerobic zones are created, and appropriate size to allow colonization by bacteria. Bacteria growing on the surface and inside, break down undesirable substances and purify the water, e.g. from ammonia (NH4), nitrite (NO2) and nitrate (NO3).
Ideal media for sumps, canisters, hobs, under gravel ,hamburg style filter.