Sodium Dichloroisocyanurate (NaDCC) which is blended with effervescent components before being compressed into tablet form. The result is a fast-dissolving, highly convenient, safer and more accurate alternative to liquid bleach. In the Health Service and in Local Government where a number of authorities have banned the use of liquid bleach, NaDCC powders and tablet formulations predominate as the favoured method of chlorine disinfection. Disinfecting solutions prepared from Achlor Effervescent Chlorine Tablets are fast acting and have a complete spectrum of biocidal activity. Bacteria, bacterial spores, algae, fungi, protozoa and viruses are sensitive to their effects. Effervescent Chlorine Tablets are recommended around the world as the safer, more effective, economic and convenient disinfectant.