WATER CHEMISTRY
Free Chlorine Range
Ideal Range = 3ppm - 5 ppm
To increase: Add chlorine.
To decrease: Add sodium thiosulfate
pH
Ideal Range = 7.2 - 7.8
To increase: Add soda ash
To decrease: Add muriatic acid, sodium bisulfate or CO2
Alkalinity
Range = 60 ppm - 150 ppm
Ideal Range = 80 - 120 ppm (cal. hypo or sodium hypo ideal is 80 ppm - 100 ppm)
To increase: Add sodium bicarbonate
To decrease: Column muriatic acid or add sodium bisulfate
Calcium Hardness
Range: 150 ppm - 1000 ppm
Ideal Range: 200 - 400 ppm
To Increase: Add calcium chloride.
To Decrease: Dilute, dilute....
Cyanuric Acid/Chlorine Stabilizer
Range: 10 - 30 ppm
Ideal: 20 ppm
To Increase: Add granular cyanuric acid
To Decrease: Dilute, dilute....
Cyanuric Acid/Chlorine Stabilizer
Range: 10 - 30 ppm
Ideal: 20 ppm
To Increase: Add granular cyanuric acid
To Decrease: Dilute, dilute....