biogen

biogen is a carbon-based biopolymer (PHA) designed to reduce nitrate and phosphate


purfiltrum

purfiltrum™ is a unique macro-porous synthetic polymer that removes soluble and insoluble organic impurities


phosfiltrum

phosfiltrum™ is a specially formulated, high-density, granular ferric oxide (GFO). It will rapidly remove phosphates and silicates from both freshwater and saltwater.