Sutro tests for pH, free chlorine, bromine, and total alkalinity. It also measures the temperature. The pH and free chlorine are measured 3 times a day, the total alkalinity is measured once a day, and the temperature is measured hourly.
Sutro tests for pH, free chlorine, bromine, and total alkalinity. It also measures the temperature. The pH and free chlorine are measured 3 times a day, the total alkalinity is measured once a day, and the temperature is measured hourly.