3701-31-04(D)(6)(a)(4) / Spa free chlorine disinfectant residual shall be above 2 ppm.
Critical Corrected During Inspection Spa free chlorine disinfectant residual was 0.4 ppm. Lifeguard closed the spa until the chlorine disinfictant residual could be brought back up to 2.0 ppm or greater.
Do not operate the spa until the chlorine disinfectant residual is at 2 ppm or above.