ph Cl2 chlorine tester Quickly and accurately measures ph & chlorine, the ideal tool for keeping your pool or spa within safe chlorine and ph ranges Electrical pH and Chlorine (Cl2) Level Tester for routine monitoring of pH and chlorine levels in swimming pools, spas and various water sources. When the chlorine and ph are whacked from it, it can cause diarrhea and ear and skin infections. A good chlorine and ph keep bad bacteria at bay: If the ph is too high, the chlorine killing power is exhausted. Chlorine is also eaten when large amounts of nitrogen (excrement, urine, sunscreen or sweat) or other organic matter enter the pool. That's why testing for chlorine and pH NOTE: The detector is not recommended to be submerged in water other than pool or spa water. Specification: Recommended chlorine levels for swimming pools and spas are 1.2 to 1.7 ppm Recommended pH for swimming pools and spas is 7.2 to 7.8 Size Main unit: 190mm x 20mm Handle probe: 150mm long Probe (only): 48 mm long Cable (only): 300mm long Power supply: 1 aa alkaline battery (1.5v) Bare metal weight: 193g b (without battery) Gross weight: 260g Package size: 200*150*63 mm 1 pH and Cl2 probe tester