Absolutely yes, the kit allows you to determine the concentration of total chlorine in your pool water; in fact, you will simply need to take a sample of the water in question with the test tube and add the reagent provided; the intensity of the color will be compared with the chromatic scale to determine the total chlorine in mg/lt. With the pH reagent, on the other hand, it will be possible, with the same kit, to also measure the pH of the water, essential for obtaining stable water that is not aggressive towards the skin of swimmers.