Mar 10, 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
At time of inspection, the cyanuric acid (CYA) level registered at 312 ppm (CYA must be 90 ppm or less). CPO is draining 1/3 of the water at intervals and refilling, until CYA is below 90 ppm. CPO will ensure CYA is below 90 ppm before the pool opens for the weekend.