Swimming Pool Dual Test Kit PH & Chlorine 20 Ml Each/Chlroine Test Kit/pH Test Kit Our Chlorine and pH Test Kit provides pool owners with a low-cost alternative to more expensive testing kits, yet gives up nothing in terms of accuracy. Chlorine and pH Test Kit comes in a handy plastic case and contains everything you need to test your water for delicate pH and chlorine levels, which determines the overall health of your pool. Its liquid formula makes testing quick and easy and saves you money by being refillable. This test kit will make pool maintenance easier and more accurate, saving you time as well as ensuring your pool is operating at peak efficiency. ANALYSIS INFORMATION -This test indicates the concentration of available Chlorine for bacteria control. - For effective control, the ideal reading is 1.0 to 1.5 Chlorine Test (Cl) 1. Rinse the test vial and fill to the mark with a water sample taken 40 cm (18″) below the surface and away from water lines. 2. Add 4 drops of OTO (Orthotolidine) solution. 3. Place the cap on the vial and invert times to mix. 4. Compare your reading with the Cl color. NOTE if your chlorine reading is above 3.0 you may obtain a false result when testing for pH. In this case, lower Cl first before performing any other tests. INFORMATION -This test indicates the pH condition of the pool water. - For comfortable water, the ideal reading is from 7.2 to 7.6. Propotion of Hydrogen Test(pH) 1. Rince the test vial and fill it to the mark with a water sample taken 40 cm (18″) below the surface and away from water lines. 2. Add 4 drops of Phenol Red solution. 3. Place a cap on the vial and invert several times to mix. 4. Compare your reading with the pH color standards