This balancer increases the alkalinity of pool water.
Product Dosage & Directions
One and one-half (1 1/2) pounds of GLB® Alkalinity Up will increase the total alkalinity approximately 10 ppm for each 10,000 gallons of water. Add directly to circulating pool water. Wait at least 8 hours for the material to distribute before rechecking the alkalinity level.
Sodium Bicarbonate: 100%