Proper alkalinity levels make your pH and chlorine levels easier to control.
Use alkalinity increaser when total alkalinity drops below 80 ppm.
Proper alkalinity range is 80-120 ppm. The product is granular and is chemically known as Sodium Bicarbonate.
Dosage: 1 1/2 pounds per 10,000 gallons will raise the alkalinity level approximately 10 ppm.
Spa Dosage: 1-2 oz. per 500 gallons.