API Nitra-Zorb for API NexxFilter & Rena Smartfilter, Size 6 = 7.4 oz (Treats 55 Gallons) Dog Complete Systems Lighting Modes: Day

Lighting Modes: Day

Aloe concentrate

Super slim housing with black finish

Optional rooftop sold separately and recommended for use with rabbits or for households with additional pets and/or small children

API Nitra-Zorb for API NexxFilter & Rena Smartfilter, Size 6 = 7.4 oz (Treats 55 Gallons) Dog Complete Systems Lighting Modes: DayAPI 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