de*nitrate™ is an economical, natural, porous material with a pore distribution and geometry that promotes both aerobic nitrification within the first few millimeters of depth and anaerobic denitrification at the core. Great for b...
Description: Kent Marine Nitrate Sponge is a granular zeolitic medium which works by two methods.
It slowly directly adsorbs small amounts of ammonia that are released by fish and natural processes, and
it fosters anaerobic ...