Premium Swimming Pool Chlorine Tablets (300pcs) 【Professional Water Care】- Formulated with 90% Trichloroisocyanuric Acid for superior disinfection- Effectively eliminates bacteria, algae and organic contaminants- Maintains crystal clear water for up to 7 days per application 【Smart Floating Design】- 3-inch slow-dissolving tablets fit standard floating dispensers- Includes free doser for controlled chlorine release- Prevents skin/eye irritation with balanced pH levels 【Multi-Surface Protection】- Safe for all pool types (concrete, vinyl, fiberglass)- Compatible with hot tubs and spa systems- Prevents corrosion and scaling damage 【Value Pack】- 21 tablets per bucket (6-month supply for average pools)- EPA-certified formula- Sealed bucket maintains potency in storage Note: Store in cool, dry place. Keep away from children and pets.