Leisure Time 22337A Spa 56 Chlorinating Granules, Bucket for Crystal Clear Water Maintenance, 2lbs

BENEFITS: Destroys organic contaminants to maintain clean, clear, sanitized water; helps control algae growthUSE: Specifically formulated for spa and hot tubs; can be used as a shock treatmentCOMPATIBILITY: Chlorine sanitizing systemsFEATURES: Quick dissolving; EPA approved chemical formulaACTIVE INGREDIENTS: Sodium Dichloro-s-Triazinetrione Dihydrate