Amazon.com : Rx Clear 3-Inch Water Soluble Chlorine Tabs | One 22-Pound Bucket | Use As Bactericide, Algaecide Disinfectant in Swimming Pools Spas | No Need to Take Out of Wrapper :
Chlorine Tablets for Pools - 50lb Bucket - Doheny's Pool Supplies - Pool Supplies Superstore
C3 3" Stabilized Chlorine Tablets for Swimming Pool and Hot Tubs | 50 lbs - Walmart.com
Highest Purity 99.8 % 87-90-1 Chlorine Tablets Manufacturers for Pools with to Door Service - China Chlorine Tablets 50 Lbs, Chlorine Tablets Costco | Made-in-China.com