Directions for Use: It is a violation of Federal Law to use this product in a manner inconsistent with its labeling. Note: This product degrades with age. Use a chlorine test kit and increase dosage as necessary to obtain the required level of available chlorine. Swimming Pool Water Disinfection: Add 13 fl oz of this product for each 10,000 gal of water to yield an available chlorine residual of 1ppm. Maintain 1.0 to 3.0 ppm in unstabilized pools and 1.0 to 1.5 ppm in stabilized pools. To start-up or superchlorinate (shock treatment) a pool add 64 to 128 fl oz of this product for each 10,000 gal of water to yield 5 to 10 ppm chlorine residual. Do not enter pool until residual is less than 4.0 ppm. Add this product at night while running pump and filter. Check in the morning and adjust as necessary. Important: Maintain pH between 7.2 to 7.6. Maintain alkalinity between 50 to 100 ppm. Winterizing Pools: While water is still clear and clean, apply 40 fl oz of product per 10,000 gallons, while filter is running, to obtain a 3 ppm available chlorine residual, as determined by a suitable test kit. Cover pool. Prepare heater, filter and heater components for winter by following manufacturers instructions. Storage and Disposal: Do not contaminate water, food, or feed by storage, disposal or cleaning of equipment. Storage: Keep product in lightly closed container when not in use. Store in a cool, dry area away from direct sunlight and heat to avoid deterioration. In case of spill, flood area with large quantities of water. Product Disposal: Product or rinsates that cannot be used must be diluted with water before disposal in sanitary sewer. Container Handling: Nonrefillable container. Do not reuse or refill this container. Offer for recycling if available or place in trash collection.