Nitra-Zorb is a rechargeable ion-exchange filter media in a convenient pouch that fits in most filters. Great for starting new aquariums, Nitra-Zorb eliminates toxic ammonia, nitrite and nitrate in freshwater aquariums.
Once pouch treats up to 55 gallons of aquarium water.
Rinse pouch under tap water. Place pouch in path of water flow in aquarium filter. For new aquariums or when ammonia or nitrite is detected, recharge every 5 days for the first month, 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 20 ppm or less. Replace pouch after 2 months. To recharge, dissolve 4 tbsp of API aquarium salt in 8 oz. of warm tap water. Soak pouch for 2 hours then rinse lightly in tap water.