NT Labs Aquarium Multi-Test KitNT Labs Aquarium Multi Test Kit is a comprehensive water testing solution designed to help maintain optimal water quality for healthy fish and plants. Covering six essential parameters, it provides accurate, easy to use testing for both beginner and experienced aquarists. Key Features Up to 200 combined liquid drop tests Tests six key water parameters: ammonia, nitrite, nitrate, pH, GH and KH Accurate liquid drop tests with consistent drop size Clear,