These slow-dissolve 3-inch trichlor tablets provide continuous chlorination to keep your pool clear and algae-free. The XtraBlue formula goes beyond basic chlorine, adding scale and corrosion inhibitors along with water conditioners for a comfortable swim.

• 3-inch slow-dissolve trichlor chlorinating tablets
• Kills bacteria and eliminates green, mustard, and black algae
• Built-in stabilizer (cyanuric acid) protects chlorine from UV degradation
• XtraBlue formula includes scale and corrosion inhibitor
• Water conditioners for smooth, comfortable water feel
• Use in skimmer baskets, automatic feeders, or floating dispensers
• 5 lb container