BENEFITS: Provides swimming pools with a steady source of available chlorine while helping to control algae and clarify water USE: Feeders, skimmers, floaters for application to water COMPATIBILITY: Fresh water and saltwater pools; 1 tablet treats 10,000 gallons FEATURES: Easy to use; formulated to protect against chlorine loss in direct sunlight; Protects against bacteria and algae growth; Slow dissolve; Sanitizes up to 1 week ACTIVE INGREDIENTS: Trichloro-s-triazinetrione, Zinc sulfate monohydrate