● Rapid and true response can be correctly determined by colorimetric way of nitrite concentration values. ● Convenient packaging droplets can accurately measure the number of drops for the reaction, and the outer shift measurement method will not pollute the aquarium environment. ● Plastic bottles, not only allow economy use, moreover provide easy operation and convenient test for at least 60 times. ● Daily regular use helps to monitor the state of the environment, and also makes a water stabilizer, and a good indicator of water state in course of using filter material or while changing the tank water. ● Well fit for fresh water, sea water or brackish water environment, also good for daily pond water quality testing. ● Test range: 0.0~5.0ppm nitrite (NO2-N). |