Premium Swimming Pool Chlorine Tablets (300g) Professional Water Care- Formulated with 90 percent 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 or 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.