3701-31-04 ( D )(6)(a) / ORP reading shall be 650 millivolts or greater.
ORP reading was below 650 mv. ORP reading at 648 mv.
Have the ACC unit inspected to determined why the ORP is low.
Facility Type: Spa
[?] Inspection Type: Standard
Inspection Date: 29-June-2023
Comments |
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Spa chemistry is within required range. ORP reading below 650. |