3701-31-04 ( D )(6)(a) / ORP reading is above 650 mv
Repeat ORP reading 542 mv
Have the ACC unit inspected to determined why the ORP is low.
3701-31-04 (C)(3) / Total alkalinity is at or greater than 60 ppm
Total alkalinity was 50 ppm.
Raise the total alkalinity to at least 60 ppm.