API 5 in 1 Test Kit Aquarium Fish Tank GH KH PH Nitrite Nitrate Strip Ammonia
PH, Nitrite, Nitrate, Carbonate and General Hardness. Aquarium water testing couldn't be easier. Tests: pH, NO2, NO3, KH, GH. A quick and accurate way to test the presence of ammonia. This test read 0-6 ppm of ammonia.