API Nitra-Zorb Aquarium Canister Filter Filtration Pouch

• Removes toxic ammonia, nitrate and nitrite. Ready to use pouch for freshwater aquariums.
• Reduces this risk of fish loss with high-quality filtration media that targets and removes nitrate, nitrite and ammonia from freshwater aquariums.
• Composed of natural and synthetic ion-exchange resins in a convenient pouch and can be recharged.
• Use during aquarium set up or whenever nitrate or ammonia levels are above 200 ppm.
• Can be easily recharged with freshwater aquarium salt.

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 20 ppm (mg/L) or less. Replace pouch after 2 months.