Safely disinfect up to 60 litres of water the lifesystems chlorine dioxide droplets have a quick reaction time and leave little after taste while effectively killing bacteria viruses and cysts in waterthe lifesystems chlorine droplets contains a 30ml purifier and a 30ml activator to treat up to 60 litres of water it is easy to use simply make sure the water is relatively clear before opening both bottles and adding 12 drops from each into one of the bottle caps leave the mixture to react f