MaterialThe pH meter consists of a high quality plastic shell, which is durable and sturdy. And it has a large screen that shows the test result of pH and chlorine level for easy and accurate reading Description PH value is one of the most important factors in balance week. The pH value is the measure of acidity\/alkalinity of pool water. Chlorine, which kills bacteria, algae and microorganisms. It cannot be used in salt water Note Too little chlorine leads to the growth of algae and bacteria, waterborne diseases, cloudy water and poor water hygiene. Too much chlorine can cause eye, nose and skin irritation. Also remember that chlorine in the swimming pool is carcinogenic and we should strive to keep its level to the minimum necessary for complete disinfection Wide Application The pool pH test is widely used to measure drinking water , aquariums, swimming pools, tap water, hydroponics, spas, laboratories and scientific testing Applicable objects The pool water tester is specially designed for swimming pools or spas of family size. The pH tester is the perfect little tool for home and laboratory pH testing applications Product Size: 19 cm x 12 cm x 5 cm Product colour: white Delivery quantity: One piece