Test the free chlorine level in water
For freshwater and marine aquarium and aquaculture, Hatchery for aquaculture, water treatment for aquaculture, swimming pool, pond water, ground water, drinking water
can be detectable at 0.1 part per million (ppm) for very chlorine-sensitive applications, for example in shrimp and fish hatchery. It is specially designed for low chlorine concentration between 0.0 – 2.0 ppm for general purpose and also detectable at high concentration up to 8.0 ppm for disinfection and water treatment application

6 in 1 Aquarium Test Kit: This water test strips are intended for testing 6 parameters in your fish tank – pH, Chlorine, Nitrate, Nitrite, Carbonate and Hardness. And the extra thermometer stickers allow you to detect water temp at any time.
Easy to Use: First, immerse the aquarium test strip into water sample for 2 sec. Second, take out the strip and lay it flat. Wait 15 sec for results of pH, Cl2, KH and GH, and 60 sec for results of NO2 and NO3. Last, compare the results with the color chart on the bottle.
Accurate Results: The aquarium water test kits are highly sensitive to detect even low levels of impurities. And the detailed color chart on the bottle allows you to easily interpret the test results. Provide dependable results to detect water problems.