IDEAL CHEMICAL LEVELS
Salt 3200 to 4000 ppm
Free chlorine 1.0 to 3.0 ppm
pH 7.2 to 7.6
Cyanuric Acid
(Stabilizer)
50 to 100 ppm
Total Alkalinity 80 to 120 ppm
Calcium Hardness 200 to 400 ppm
Metals 0 ppm
Saturation Index -.2 to .2 (0 best)
SATURATION INDEX
The saturation index (Si) relates to the calcium and alkalinity in
the water and is an indicator of the pool water "balance". Your
water is properly balanced if the Si is 0 ±.2.If the Si is below -0.2,
the water is corrosive and plaster pool walls will be dissolved into
the water. If the Si is above+0.2, scaling and staining will occur.
Use the chart below to determine the saturation index.
Si = pH + Ti + Ci + Ai - 12.1
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