Robelle 5-In-1 Swimming Pool Multi-Purpose 3" Chlorinating Tabs

Sanitizer, Clarifier, Stain Inhibitor, Algae Control, and Descale all in one 3" 8 oz. tab Each 3" 8 oz. tab is individually wrapped, stabilized, and slow dissolving Reduces the need for additional chemicals Weekly maintenance dosage is 1 to 3 tablets per 10000 gal.