May 20, 2026
Permit/Opening
21 - cyanuric acid level not exceeding maximum
Regulation: 511-3-5-.17(4) - (4) stabilizer (if used) cyanuric acid,ppm ideal: 30-50 maximum: 90 comments: if stabilizer is: too high: - may reduce chlorine efficacy too low: - chlorine residual rapidly destroyed by sunlight note: stabilizer is not needed in indoor or br
Observed greater than 90 PPM cyanuric acid, cyanuric acid reading 137 PPM. Corrective Action: RPIC was notified of elevated levels of cyanuric acid. Cyanuric acid levels must be between ideal 30-50 PPM , maximum 90 PPM. CPO to adjust levels not to exceed 90 PPM.