Jumbo Chlorine Tabs 4.5LB

Use these 3'' chlorinating tablets twice a week to keep your pool squeaky clean and bacteria-free!
Not blended (no fillers), Kills bacteria and controls algae, Reduces pH, Leaves no residue
For use in all pool types

Active Ingredients:

• 99% Trichloro-s-triazinetrione
• 1% Other Ingredients