Product Color:PH CL2 Chlorine TesterEssentialtool for quick and accurate readings of ph and chlorine as chlorineis the most commonly used disinfectant for water by killing bacteria,algae and microorganisms.An ideal tool for keeping your pool or spa within the safe Chlorine and PH ranges, no more chemicals or no more guess work.Anelectro-tester for testing pH and chlorine (Cl2) levels in water forroutine monitoring of pH and chlorine levels of swimming pools, spas anddifferent water sources.Whenchlorine and pH levels go out of whack, it can lead to diarrhea and earand skin infections. A good chlorine and pH level keeps bad bacteriaat bay: If pH goes up too high, chlorine's germ-killing power deflates.Chlorine can also get eaten up if a lot of nitrogen (from debris, pee,sunscreen, or sweat) or other organic matter gets in the pool. That'swhy it's best to test chlorine and pH levels all the time - they canchange day to day based on pool usage. Keeping your pH levels within theproper range is important for keeping your equipment and pool finishintact. Your chlorine will dissolve quicker with a low pH level. High pHlevels make chlorine inactive.Save time and money wit