SEP-18 SEP-19 SEP-20 SEP-21 SEP-22 SEP-23 SEP-24
ELS Zone (1)              
Total Hardness (mg/L as CaCO3) (2) 165 181 182 170 176 166 176
pH (pH) (3) 7.9 7.9 7.9 7.9 7.9 8.2 8.3
Temperature (°C) -- -- -- -- -- -- --
Total Chlorine Residual (mg/L) (4) 2.02 1.98 1.96 1.95 1.94 1.94 1.97
Alkalinity (mg/L as CaCO3) (5) 144 135 134 136 127 132 127
Conductivity (µS/cm) (6) 376 376 373 367 360 355 355
Caustic Soda (mg/L) (7) 3.58 2.71 2.09 1.67 .560 0.000 0.000