Water balance recommended values are:
- (1) pH 7.2 to 7.8
- (2) Total alkalinity 80-120 ppm (pools) 100-150 ppm (spas)
- (3) Calcium hardness 100-150 ppm (pools) 150-300 ppm (spas)
- (4) Temperature: 75-90 °F for pools and 90-105° F for spas. See Appendix B.
Amended at 39 Ok Reg 1290, eff 9-11-22