API Nitra-Zorb

API Nitra-Zorb

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API Nitra-Zorb Pouch

NITRA-ZORB filtration media is scientifically proven to remove aquarium toxins


  • Removes ammonia, nitrite and nitrate

  • Follow API Easy Care Guide and use NITRA-ZORB when:

  • Addressing Water Solving Problems to remove ammonia, nitrite & nitrate

  • 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.


    5ml treats 38 Liters of aquarium water


    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 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.


    1 pouch Up to 210 Liters