Arch Chemical HTH 28205 3 in 1 Chlorinating Skimmer Tablets, 4.3-Pound
The HTH 4.3-pound 3-In-1 chlorinating skimmer tablets kills bacteria and controls algae. Contains scale inhibitor and skin softener. Approximately 9-1/2-ounce Tablet. Active Ingredient: Calcium Hypochlorite. Active ingredient-Calcium Hypochlorite 40-55-percent. Minimum available chlorine 45-percent.