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
(Section 265.203(c))

Bottom and main drain shall be clearly visible at the deepest part of the pool or spa
(Section 265.203(c))

Bottom and main drain shall be clearly visible at the deepest part of the pool or spa
(Section 265.203(c))

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