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

Size:8 lbs Style:Old Packaging Color:Ultimate The HTH Ultimate 3” chlorinating s are an effective swimming pool water sanitizer. These convenient and easy-to-use s are formulated to protect against chlorine loss in direct sunlight and can be used in feeders and other delivery systems. Designed to dissolve slowly and provide a steady source of available chlorine, these 3-inch s provide the ideal pool s to keep you swimming and splashing in clean and clear water all season long. Use s to maintain a chlorine residual of 1-4ppm; DO NOT use in feeders that have been used with other water products; DO NOT add other s to the feeder while this pool sanitizer is present. About the Brand: HTH, which stands for here to help, was developed with the consumer in mind. Our water care products are both economical and powerful enough for the toughest jobs. Within HTH’s wide selection of products, we offer everything you need for your pool, from algaecides and deposit control formulas to non-chlorine shock s, powerful surface cleaners, clarifiers, enzyme-based cleaners, and more. If you like using HTH, check out some of the other similar brands from our parent company, Sigura. Sigura’s water brands include Applied Biochemists, Leisure Time, GLB, Spa Selections, and PooLife. They have a long heritage and more than a century of experience in developing innovative water solutions for use in pools, lakes, ponds, hot tubs, and more. We’re dedicated to providing groundbreaking solutions to our customers - from rural landowners with ponds to complex drinking water systems used in residential areas. As a company, Sigura is one of the world’s leading and most-trusted suppliers to the ceutical, biotech, and specialty ingredients markets. Sigura harnesses science and technology to create products that support safer and ier living to enhance the overall quality of life.