describe: 1. Our swimming pool cleaning tablets effectively prevent bacteria, algae and other organisms. These swimming pool water sanitizers create a safer, cleaner, and more enjoyable swimming experience. 2. Prevent chlorine from being lost in direct sunlight while stabilizing chlorine and reducing the amount of chemicals that need to be added. Use 7 tablets per 2,500 gallons of water per week for crystal clear pool water 3. Eliminate bacteria and control algae in water 4. Purify water sources. The swimming pool is no longer dirty 5. Protect against harmful sunlight exposure Perfect for your pool or hot tub Easy to use lasting Shelf life: 24 months Net weight: 100g Package Contents: 1 bottle of pool cleaning tablets