API Nitra-Zorb 55gal

NITRA-ZORB is a ready-to-use filter media pouch, can be added to your filter to remove ammonia, nitrite and nitrate.   NITRA-ZORB is made of natural and synthetic ion-exchange resins that selectively remove toxins from freshwater aquariums.  NITRA-ZORB is completely phosphate-free and can be reused after recharging.