Multifunctional Effervescent Cleaning Tablet For Swimming Pool Chlorination Tablet For Small Swimming Pool Product Feature: In the coming hot summer, enjoy the clear swimming pool, suitable for your swimming pool or hot tub. Our swimming pool cleaning sheet effectively prevents water stop, algae and other organisms, eliminates and controls algae in water, and is easy to use. Purified water, no more dirty swimming pools, these pools of water disinfection to create a safer, cleaner, more enjoyable swimming experience. To prevent the loss of chlorine in direct sunlight, products help protect your water from the sun’s ultraviolet rays, prevent harmful sunlight, and stabilize them. Reduce the amount of chemicals you need to add. To get clear water!Specification: Size: about 3.7x3.3inch/9.5x8.3cm Weight: about 300g Quantity: 300 piecesPackage Included: 1 x Effervescent Cleaning Tablet/300g