N.J. Admin. Code Tit. 8, ch. 26, app D
Chemical water quality standards for hot tubs and spas
| Minimum | Ideal | Maximum | |
| Free chlorine residual (parts per million (ppm)) | 2.0 | 3.0-5.0 | 10.0 |
| Combined chlorine (ppm) | None | None | 0.2 |
| Bromine (ppm) | 2.0 | 4.0-6.0 | 10.0 |
| pH | 7.2 | 7.4-7.6 | 7.8 |
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
No prior version found.