Features:This water quality testing kit is used for testing chlorine and PH in swimming pool.Comes with a plastic storage box, convenient for storage and easy to carry, convenient and practical.The ideal range of chlorine in the pool water is 1.0~1.5 and the ideal range for the pH of the pool water is 7.2~7.6.The operation is simple, you only need to spend a little time to complete the test and get the test results quickly.A practical water quality testing kit that is suitable for using in swimming pool.Specification:Condition: 100% Brand NewHousing Material: PlasticRed Phenol:Hydrogen Test Indicator Liquid (ph)Volume: 20mlO-toluidine:Chlorine Test Indicator Liquid (Cl)Volume: 20mlProduct Size: Approx. 15*7.3 cm / 5.9*2.9 inChlorine Test (cl):Information:1. Compare your reading with the scale values.2. The scale value represented by a number indicates the amount of chlorine combined with water.3. For effective treatment, the reading should be between 1.0 and 1.5 (ideal).Information:1. Rinse the test vial and fill it with water sample to the mark.2. Add 4 drops of OTO (o-toluidine) solution.3. Cover the bottle lid and shake to mix well.4. Compare your reading with the scale value.Hydrogen Test (pH):Information:1. Compare your reading with the scale values.2. The scale value represented by a number indicates the pH condition of the water.3. For comfortable water and a saving of chemical products, the reading should be between 7.2 and 7.6 (ideal).Analysis:1. Rinse the test vial and fill it with water sample to the mark.2. Add 4 drops of red phenol solution.3. Cover the bottle lid and shake to mix well.4. Compare your reading with the scale value.Package list:1 * Pool Water Test Kit