Premium synthetic adsorbent removes soluble and insoluble aquarium impurities. Purigen is a macro-porous, synthetic polymer that removes proteins and a broad spectrum of organics at a rate and capacity that exceeds all other chemical filter media by over 500%. Controls ammonia, nitrite, and nitrate, by removing nitrogenous organic waste materials. Seachem Purigen also significantly raises redox to improve aquarium water quality and clarity.
Exhaustion is indicated by discoloration, and it can be regenerated easily. For marine and freshwater aquariums. 100 ml treats up to 100 gallons, for up to 6 months.