Arch Chemical 41228 HTH 3-Inch Chlorinating Tablets, 24-1/2-Pound
The HTH 24-1/2-pound, 3-inch chlorinating tablets sanitizes pool water. Its stabilized and sun protected formula extends chlorine life. Active ingredients: Trichloro-S-Triazinetrione 92.4-percent, Other Ingredients 7.6-percent, Available Chlorine 84-percent.