Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs. 81292

Key features

• Use when total alk. drops below 80 ppm.
• Keeps your pH and Chlorine from becoming unstable Granular form, easier to apply into your water
• Compatible with pool, spa, and hot tub
• Dosage: 1-1/2 pounds per 10,000 gallons will raise the alk. level by approximately 10 ppm
• Retest water after every dosage added, you can swim after 4 hours of circulation 5 lb bag.