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API Nitra-Zorb for API and Rena Filters is a convenient pouch of natural and synthetic ion-exchange resins that selectively remove ammonia, nitrite, and nitrate from freshwater aquariums. Completely phosphate-free and ready to use!
- Removes toxic ammonia, nitrite and nitrate
- Provides chemical filtration to support a successful aquarium startup
- Ready to use pouch for freshwater fish tanks
- 1 large pouch treats up to 55 gallons
API Nitra-Zorb filtration pouches are scientifically proven to remove toxins in aquarium water, including NH3, NO2-, and NO3- to support the health and longevity of fish and plants.
Instructions: Easy-to-use pouch works 2 months, change regularly for clean and clear water.