AUG-16 AUG-17 AUG-18 AUG-19 AUG-20 AUG-21 AUG-22
ELS Zone (1)              
Total Hardness (mg/L as CaCO3) (2) 174 177 176 178 180 178 173
pH (pH) (3) 7.7 7.7 7.7 7.9 8.0 7.9 7.9
Temperature (°C) -- -- -- -- -- -- --
Total Chlorine Residual (mg/L) (4) 2.14 2.13 2.11 2.09 2.10 2.12 2.11
Alkalinity (mg/L as CaCO3) (5) 120 120 122 124 122 124 120
Conductivity (µS/cm) (6) 403 401 403 410 406 400 398
Caustic Soda (mg/L) (7) 6.69 6.58 7.19 10.2 9.76 8.54 7.53