3701-31-04 ( D )(6)(a) / ORP reading shall be 650 millivolts or greater.
ORP reading was 620 mv. The pool was not yet open, they will ensure the ORP is at 650 or higher prior to the pool opening.
Have the ACC unit inspected to determined why the ORP is low.
Facility Type: Pool
[?] Inspection Type: Standard
Inspection Date: 13-May-2021