Figure: 25 TAC §265.204(a)
1. Disinfectant Levels |
Minimum |
Ideal |
Maximum |
Free Chlorine - pools |
1.0 ppm |
2.0 - 3.0 ppm |
8.0 ppm |
Free Chlorine - spas |
2.0 ppm |
3.0 - 5.0 ppm |
8.0 ppm |
Combined Chlorine |
None |
None |
None |
Bromine - pools |
2.5 ppm |
2.5 - 6.0 ppm |
12.0 ppm |
Bromine - spas |
4.5 ppm |
5.5 - 7.5 ppm |
12.0 ppm |
2. pH Levels |
Minimum |
Ideal |
Maximum |
pH |
Not less than 7.0 |
7.4 - 7.6 |
7.8 |
3. Water Clarity |
Minimum |
Ideal |
Maximum |
Water turbidity |
Bottom and main drain shall be clearly visible at the deepest part of the pool or spa |
Bottom and main drain shall be clearly visible at the deepest part of the pool or spa |
Bottom and main drain shall be clearly visible at the deepest part of the pool or spa |
4. Spa Temperature |
Minimum |
Ideal |
Maximum |
Temperature ° F |
N/A |
102° F or less |
104° F (40° C) |
5. Stabilizer (cyanuric acid) |
Minimum |
Ideal |
Maximum |
Cyanuric acid |
None* |
10.0 - 40.0 ppm |
100.0 ppm |
*Stabilizer shall not be used in indoor pools or spas or brominated pools or spas