7 Day Tablets pH Increaser Sodium Carbonate Item # Size 1700 1 lb bag 40 per case 1702 4 lb pail 8 per case 1727 4 lb bag 12 per case 1703 10 lb pail 3 per case 1725p 25 lb pail 1 per case MSDS Info 7 Day Sticks One A Day Tablets Granular Chlorine Bromine Balancers  - Calcium Hardness  - pH Reducer  - pH Increaser  - Total Alkalinity  - Stabilizer Shock Treatments Algaecides Clarifiers and Flock Demineralizers Liquid Chlorine Lithium Calcium Hypochlorite Winter Kits Spa Chemicals Maintenance Items Private Labeling