| [EPA LEVEL DETECTION] water test strip is designed and manufactured with reference to EPA standards. Each of tests can detect pollutants at EPA level.[16-in-1 water quality test kit] The water quality test strip is equipped with 16 main functions, including PH value, hardness, lead, iron, copper, mercury, alkalinity, nitrite, nitrate, bromine, free chlorine, chlorine, fluorine, chromium/chromium, carbonate, cyanuric acid, covering the main factors affecting the quality of swimming pools, hot baths or drinking water.[Accurate and scientific water quality test strip] has been committed to of testing and measurement for many years, and has adopted the most test strip on products to the accuracy … | |