API Nitrite Test Kit for Freshwater and Saltwater Aquarium 1ea is backordered and will ship as soon as it is back in stock.
API Nitrite Test Kit for Freshwater and Saltwater Aquarium 1ea
Tests for nitrite in freshwater & saltwater aquariums. Nitrite, toxic to fish, is produced by nitrifying bacteria in the biological filter as it breaks down ammonia. 180 tests per kit.