This Joker MAREVA slow chlorine pebble for swimming pools - 5 kg - 250 g - 100766U is the product you need to maintain your pool on a regular basis. It is indeed the right product to disinfect your water effectively and consistently. The 250 g pebbles are sufficient for 20 to 30 m3 of water and are placed directly in the skimmer or diffuser. These 5 kg of slow-dissolving and highly stabilized chlorine will help you eliminate all bacteria, algae, impurities and other micro-organisms in the water. Ideal for crystal clear, hygienically pure water. In general, a dose should be added every 7/10 days to complete the treatment of your pool (this is an indication only, as the dosage may vary according to the characteristics of each pool, the climate, the number of visitors etc.) Advantages : Disinfection and maintenance of your pool over a long period Effective action Quick to use Compatible with all filtration equipment Large quantity, 5 kg Features: 5 kg of chlorine to disinfect in 250 g pebbles Pebble size: 8 cm Slow dissolution 1 tablet for 20/30 m of water To be put directly into the floating dosing device/skimmer To be used about once a week Product to be kept out of reach of children. Product is dangerous if swallowed. Biocidal products should be used with caution. Before use, please read the label and our safety data sheet for the product, which you can download below. In case of contact with the eyes, rinse carefully with water for several minutes. Do not use in combination with other products. Contact with acid releases toxic gas. Avoid release to the environment. Store in a well ventilated area. Keep container tightly closed. Packaging : One bucket of Joker MAREVA slow chlorine for swimming pools - 5 kg - 250 g - 100766UL Delivered in its original packaging