3701-31-04 (C)(2) / pH is within 7.2 to 7.8
pH was outside the range of 7.2 to 7.8. Observed pH to be 8.0.
Treat the pool water so that the pH is within the acceptable range. Adjust the level of the pH to be within 7.2-7.8. When pH is out of range, it can degrade the efficacy of the disinfectant residual.