Api Nitrite NO2 Fresh & Salt Water Aquarium Test Kit 180 ct

Monitor aquarium water quality with confidence using the API Nitrite (NO₂⁻) Test Kit. This easy-to-use liquid test accurately measures nitrite levels in both freshwater and saltwater aquariums, helping prevent fish stress, illness, and loss caused by toxic nitrite buildup. With up to 180 tests, it’s ideal for routine maintenance and critical during new tank cycling. A must-have tool for maintaining a safe, healthy aquatic environment.