pH- & Chlor-Testkit Pool Test Kit Chlor pH mit Pooltester und Flüssigreagenzien
The ideal range of residual chlorine in the pool water is 1.0-1.5 ppm; the ideal range for the pH of the pool water is 7.2-7.6. When testing pH, if the residual chlorine content is higher than 3.0 ppm, you may get a wrong pH test result.