ph Cl2 chlorine tester An essential tool for quick and accurate measurement of pH and chlorine is the most commonly used water sanitizer to kill bacteria, algae and micro -organisms. The ideal tool for maintaining your pool or spa at safe chlorine and pH levels, without chemicals or the guesswork. Electric Chlorine Level Tester pH and chlorine (Cl2) for routine monitoring of pH and chlorine levels in swimming pools, spas and various water sources. When chlorine and ph are removed from it, this can cause diarrhea and ear and skin infections. Good chlorine and good ph keep bad bacteria away: If the pH is too high, the destructive power of chlorine is exhausted.Chlorine is also consumed when large amounts of nitrogen (feces, urine, sunscreen, or sweat) or other organic matter enters the pool. That's why it's best to test chlorine and ph all the time - it can change from day to day depending on how the pool is used. Keeping your pH in the correct range is important for maintaining pool equipment and finishes. Your chlorine will dissolve faster at low pH. High pH will render chlorine ineffective. This potency tester saves you time and money. NOTE: The detector will not immerse recommendations in water other than pool or spa water. Specifications Chart Recommended chlorine levels for swimming pools and spas are 1.2-1.7 ppm Recommended pH for swimming pools and spas is 7.2-7.8 Size Main unit: 180mm x 20mm Handle probe: 150 mm long Probe (only): 48mm long Cable (only): 300mm long Power supply: 1 AA alkaline battery (1.5 V) Bare metal weight: 193GB (without battery) Note: The data is manual measurement, please allow 1-90cm error, due to light and screen differences, there will be a certain color difference, the specific received in kind prevail.