Oct 7, 2025
Routine
18 - combined chlorine level 0.4 ppm or less
Regulation: 511-3-5-.17(1) - (1) disinfectant levels (a) free chlorine, ppm in pools not using cyanuric acid or a stabilized chlorine compound use (b),1.-5.
Combined chlorine measured 1.6 ppm; see readings log. Corrective action: The combined chlorine shall measure 0.4 ppm or less.