Colour:Material: Plastic Specification:Material: PlasticMain unit:175 x 125mmProbe with handle: 150mm longProbe (only): 65mm longPowered By:1*AA Battery(Not Included)Recommended for swimming pools and spas: Chlorine 1.2-1.7ppm, pH 7.2-7.8Package Content: 1 x pH and Cl2 Tester with Probe 1 x Manual 1 x Sand PaperIntroductions: When chlorine and pH levels go out of whack, it can lead to diarrhea and ear and skin infections. A good chlorine and pH level keeps bad bacteria at 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's why it’s best to test chlorine and pH levels all the time — they can change day to day based on pool usage. Keeping your pH levels within the proper range is important for keeping your equipment and pool finish intact. Your chlorine will dissolve quicker with a low pH level. High pH levels make chlorine inactive.Note:1. Please allow a bit error due to manual measurement. please make sure you do not mind before you bid.2. The color may have different as the difference display, please understand.--------------------------------------------------------Package Including1 x pH and Cl2 Tester,with Probe
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