These effervescent tablets are effective against bacteria, viruses and amoebae and keep water purified for up to 6 months thanks to their composition based on stabilised chlorine and silver ions. Sodium triclosene (DCCNa) regulates the correct dose of chlorine and eliminates bacteria, viruses and certain protozoa quickly and effectively. Keep out of reach of children. Store in a dry place, protected from light, in the original container. Toxic to aquatic organisms, causes long-term adverse effects. Avoid release to the environment.