API Nitrite Test Kit NO2

The Aquarium Pharmaceuticals (API) Nitrite NO2 test kit tests for nitrite in freshwater & saltwater aquariums Toxic nitrite is produced by nitrifying bacteria in the biological filter as it breaks down ammonia Nitrite is also produced in the aquarium by fish waaste and uneaten fish food Low levels of nitrite inhibit respiration and suppress the immune system, high levels cause fish suffocation and death This kit tests for harmful nitrite and measures levels from 0 to 5.0 ppm 180 tests per kit