PROPER RANGES FOR
POOL/SPA WATER
pH:
7.2 - 7.8 (ideal 7.2 -
7.6)
Total Alkalinity:
80
- 150 ppm
Free Chlorine: 1.0 - 3.0
ppm
Combined Chlorine:
less than 1.0 ppm above Free Chlorine
Bromine:
3 - 5 ppm
Calcium Hardness:
175 - 400 ppm
Cyanuric Acid (Stabilizer): 20 -
40 ppm in northern areas; 40 - 100 in sunbelt areas
Total Dissolved Solids:
maximum level 3,000 ppm
Iron:
0 ppm
Copper:
0 ppm