Saltwater Nitrex Filtration Medium

Nitrex is a unique, effective and patented biological filtration medium made of PVC, polyethylene, carbon, and phthalic acid ester. This granular material for Freshwater and Saltwater aquariums has the ability to grow specific nitrifying bacteria to eliminate ammonia, ammonium, nitrite and nitrate within hours, not days, weeks, or months.

The Nitrex Box is completely self contained. It needs no air or electricity The entire biological process happens within the box. Click for (more…)