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9487 Dielman Rock Island Ind Dr, St. Louis, MO 63132 www.becs.com
Operation and Maintenance Manual Rev: C17
Section F: Feed Charts
Use the charts on the following pages to determine the correct amount of chemical to add to spa or pool water to
achieve desired conditions. Choose which chart to use by the chemical indicated and the number of gallons to be
treated.
F – 1: Spa Feed Charts
Quantity of Muriatic Acid Needed to Lower Total Alkalinity
Desired
Decrease
In ppm
Gallons in Spa
ts = teaspoon tb = tablespoon cp = one cup (8 fl oz)
Quantity of Sodium Bisulfate Needed to Lower Total Alkalinity
Desired
Decrease
In ppm
Gallons in Spa
ts = teaspoon tb = tablespoon cp = one cup (8 fl oz)
Quantity of Bicarbonate of Soda Needed to Raise Total Alkalinity
Desired
Increase
In ppm
Gallons in Spa
ts = teaspoon tb = tablespoon cp = one cup (8 fl oz)
Quantity of Calcium Chloride Needed to Increase Calcium Hardness
Desired
Increase
In ppm
Gallons in Spa
ts = teaspoon tb = tablespoon cp = one cup (8 fl oz)
Quantity of Chlorine Compound Needed to Increase 1 ppm
Percent
Chlorine In
Product
Gallons in Spa
ts = teaspoon tb = tablespoon cp = one cup (8 fl oz)