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Second, a swimmerâs body has a pH between 7.2 and 7.8, so if the. pool water isnât kept in this range then swimmers will start to feel irritation of their. eyes and skin. Keeping the pH in this range will balance chlorineâs germ-killing.
Recommended Action Levels for Free Chlorine for Disinfectants Chlorine and Chloramines A free chlorine concentration of 25 mg/L should be used as an emergency acute effects level for water treatment facilities employing chlorine or chloramines as disinfectants. Facilities which treat with the oxidants chlorine or monochloramine monitor in real- or near real-time the amount of total and or free or residual chlorine in the water that they treat. Assuming