pH 7.2 7.4-7.6 7.8 If pH is: Too High: Low chlorine efficiency Scale formation Cloudy Water Too Low: dissipation of disinfectant discomfort Plaster and concrete etching Corrosion of metals and vinyl liner damage Alkalinity (buffering), 60 ppm 80-100 for 180 If total alkalinity: ppm as CaC03 halogen Too Low: compounds pH bounce with a high pH corrosion 100-120 for tendency halogen Too High: compounds Cloudy with a low pH Increased scaling potential pH tends to be too high Minimum Ideal Maximum Comments Total dissolved These values are solids (TDS), offered as ppm guidelines rather than absolute values to indicate concern for accumulation of impurities in the
pH 7.2 7.4-7.6 7.8 If pH is: Too High: Low chlorine efficiency Scale formation Cloudy Water Too Low: dissipation of disinfectant discomfort Plaster and concrete etching Corrosion of metals and vinyl liner damage Alkalinity (buffering), ppm as CaC03 60 ppm 80-100 for halogen compounds with a high pH 100-120 for halogen compounds with a low pH 180 If total alkalinity: Too Low: pH bounce corrosion tendency Too High: Cloudy Increased scaling potential pH tends to be too high Minimum Ideal Maximum Comments Total dissolved solids (TDS), ppm These values are offered as guidelines rather than absolute values to indicate concern for accumulation of impurities in the
Chapter-511-3-5-Bryan-Co.-Pool-Rules-Draft.docx