Chemical Adjustment Calculator

Chemical Treatments
Increase Chlorine Calcium Hypochlorite (67%)
Sodium Hypochlorite (12%)
Dichlor (56%)
Increase Total Alkalinity Sodium Bicarbonate
Decrease Total Alkalinity Muriatic Acid
Sodium Bisulfate
Increase Calcium Hardness Calcium Chloride (77%)
Increase Stabilizer Cyanuric Acid
Neutralize Chlorine Sodium Thiosulfate
Water Chemistry Guidelines
Parameter Min Ideal Max Pool Type
Free Chlorine 1.0 2.0 - 4.0 5.0 Pools, Waterparks
Combined Chlorine 0 0 0.2 Pools, Waterparks
0 0 0.5 Spas
Total Bromine 2.0 4.0 - 6.0 10.0 All Types
pH 7.2 7.4 - 7.6 7.8 All Types
Total Alkalinity 60 80 - 100*
100 - 120**
180 All Types
Calcium Hardness 150 200 - 400 1,000 All Types
Total Dissolved Solids NA NA 1,500 All Types

You can use the form below to determine how much of the desired chemical to add to your pool to obtain the appropriate change.

Size of pool (in gallons):

Chemical to add:

Change (in ppm):

Calculate

Amount to add: