3701-31-04 (B)(4)(a)(vii) / Cyanuric acid is tested weekly
Observed from the logs that cyanuric acid was not being recorded weekly.
As this pool is disinfected using Tri-chloro, please test for cyanuric acid level at least once a week to ensure that levels not not exceed 70ppm. If they do, pool will need to be drained to lower CYA.