ph Cl2 Chlorine TesterThe ideal tool to quickly and accurately measure ph & chlorine to keep your pool or spa in a safe chlorine and ph rangeThe ph and chlorine (Cl2) level electric tester is used to routinely monitor ph and chlorine levels in swimming pools, spas and various water sources.When chlorine and ph levels are from whack, it can cause diarrhea and ear and skin infections. A good chlorine and ph level keeps bad bacteria at bay: if the ph level is too high, the chlorine kills the electricity and will run out. Chlorine can also be eaten up when large amounts of nitrogen (excrement, urine, sunscreen or sweat) or other organic materials enter the pool. This is why testing for chlorine and phNote:The detector is not recommended to be submerged in water except for pool or spa water.Specifications.Recommended chlorine levels for pools and spas are 1.2 to 1.7 ppmRecommended ph for pools and spas is 7.2 to 7.8SizeMain unit:190mm x 20mmHandle probe:150mm longProbe (only):48mm longCable (only):300mm longPower supply: 1 aa alkaline battery (1.5v)Bare weight:193g b(without battery)Gross weight:260gWith package size:200*150*63 mm1 ph and Cl2 probe tester1 manual 1 sheet of sand paper Color box packaging