7 Day Tablets pH Decreaser Sodium Bisulfate Item # Size 1800 1 lb bag 40 per case 1809 2 lb pail 16 per case 1802 6 lb pail 8 per case 1825 25 lb bag 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 Items Spa Chemicals Maintenance Items Private Labeling PolyClear