Slow-dissolving chlorine (trichloro 90%) in granules for pool disinfection. The mini chlorine tablets Water Treatment Hellas eliminate harmful microorganisms, ensuring the hygiene of the pool. It is a disinfectant that maintains the necessary residual concentration in the water recirculation system, protecting against bacteria, coliforms, and viruses. It contains no calcium, does not cause salt deposits, and does not alter the pH value of the water. Their small size makes them suitable for placement in skimmers and special chlorinators used in pools.