Aqua One Quick Drop Nitrate NO3 Test KitRegular testing and maintenance of water parameters are important for the health of fish, plants and coral. Aqua One test kits make it easy to balance a range of organic compounds helping to maintain a healthy aquarium.Specifications:Testing Range: 0 – 40 ppmEfficiency: up to 60 testsSuitable For: Coldwater,Tropical & MarineAlthough far less toxic than ammonia or nitrite, high nitrate levels—called nitrate poisoning or nitrate shock, can still kill aquarium fish. … Nitrate poisoning occurs when fish are exposed to gradually rising nitrate levels over a period of time. This typically happens when regular tank maintenance is not performed.
