

. . This composite filter has the function to improve water taste and reduce aesthetic chlorine. 21 The Hydrogen Ion Concentration (pH) measuring cycle and precautions. Immediately after installing this device, measure the Hydrogen Ion Concentration (pH) after extracting string ionized alkaline water for at least 4 minutes. Please check the Hydrogen Ion Concentration (pH) of the ionized water at least once a month. Tips Measuring the hydrogen ion Concentration (pH) 1. Extract weak ionized alkali