Slow-dissolving chlorine tablets 25kg. One tablet in the skimmer for every 15 cubic meters of water each week. It performs a powerful action that simultaneously prevents water cloudiness and recontamination; it also acts as a chlorine stabilizer due to its content of Trichloroisocyanuric Acid. An excellent aid in maintaining and restoring optimal conditions of the pool. The suggested dosages are purely indicative and vary according to water temperature, light intensity, number of bathers, and the amount of oxidizing material present. Do not throw directly into the pool. Keep the water pH in the range of 7.2-7.6 by adding PH- or PH+