100 Grams Of Chlorine Tablets, With Dosing Device, With 50 Ph Test Strips Feature： In this hot summer Li, let you enjoy the clear swimming pool, suitable for your swimming pool or hot tub. Our pool cleaning tablets can create a safer, cleaner and more enjoyable swimming experience. Pure water, no more dirty swimming pools. Water disinfection in these swimming pools creates a safer, cleaner, and more enjoyable swimming experience. In order to prevent the loss of chlorine under direct sunlight, the product helps protect your water from the sun's ultraviolet rays, prevent harmful sunlight and stabilize them. Reduce the amount of chemicals you need to add. Get clear water! Include： 1 x effervescent cleaning tablet 1 x dosing device 1xph test paper High quality materials: Our cleaning supplies are made of high-quality materials that are sturdy, durable, and very convenient! Multi purpose household cleaning supplies meet your various cleaning and hygiene needs for your home. These cleaning tools can be reused after cleaning, with high cost-effectiveness Quality is the first with best service. customers all are our friends. We will provide you with online services within 24 hours. Easy to use, won't take up too much of your time