AnalyteSystemMethod/ChemistryStandard/Equivalance or DescriptionComparatorCellAlkalinity, TotalDrop testBlended indicator1 drop = 10 ppm total alkalinity as CaCO₃NA9198Chlorine, Free & TotalSlide comparatorDPD0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.5, 2.0, 3.0 ppm chlorine (Cl₂)90824024Chlorine, Free & TotalSlide comparatorDPD1.0, 1.5, 2.0, 2.5, 3.0, 4.0, 6, 8, 10 ppm chlorine (Cl₂)90834025Cyanuric AcidVisual determinationTurbidimetric20, 30, 40, 50, 60, 70, 80, 90, 100 ppm CYANA9193Hardness,...