HTH Chlorine Tabs Ultra 8 Lb.

Convenient and effective 3-inch chlorine tabs. Designed for use in your floater, feeder, and skimmer. This product kills algae and bacteria while softening, clarifying, and guarding surfaces from stain and scale for a clean, clear pool. Each tab is sun protected, designed to dissolve slowly and lasts up to one week. Great for all pool types including vinyl-lined pools and salt water systems.