The API Nitra-Zorb filtration media is an easy-to-use pouch designed to be placed in your filter and eliminate harmful substances such as ammonia, nitrite, and nitrate. Made from a combination of natural and synthetic ion-exchange resins, this filtration media is specifically designed to target and remove toxins found in freshwater aquariums. The product is completely free of phosphates and can be recharged and reused multiple times.Instructions:Rinse pouch under tap water. Place pouch in path of water flow in the aquarium filter. For a new aquarium or when ammonia or nitrite is detected: recharge every 5 days for the first month, and then every 2 weeks for the second month. For an established aquarium: recharge every 2 weeks. When nitrate is detected: recharge every 5 days until nitrate is reduced to 20ppm (mg/L) or less. Replace pouch after 2 months.To recharge, dissolve 4 tablespoons (80 g) of API Aquarium Salt in 8 oz. (240 ml) of warm tap water. Soak pouch for 2 hours, then rinse lightly in tap water. When not in use, store pouch in recharging solution.
