Granular pool conditioner in a 100-pound drum, designed to stabilize chlorine in swimming pools by reducing UV degradation.Composed of 100% cyanuric acid, compatible with all chlorine-based sanitizer systems, packaged in a resealable plastic drum, treating approximately 333,000 gallons at 30 ppm per TropiClear guidelines.Requires 3 lbs per 10,000 gallons to raise cyanuric acid by 30 ppm, dissolves slowly when added through the skimmer or pre-dissolved in hot water (not exceeding 2 lbs per gallon), per manufacturer instructions for pools maintaining 40-60 ppm levels.Formulated without additives, suitable for vinyl, fiberglass, and plaster pools, requiring a 48-hour wait before backwashing after application to ensure full dissolution, per TropiClear specifications.Protects chlorine with high-capacity stabilization, simplifying your bulk treatments and keeping client pools clear and balanced with less maintenance effort.