N.J. Admin. Code § Tit. 8, ch. 26, app D
Current through Register Vol. 56, No. 23, December 2, 2024
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 |
N.J. Admin. Code Tit. 8, ch. 26, app D