* Rapid dissolving effervescent tablets for treating stored water* Each tablet purifies 25 lts of water * Tablets are foil wrapped to remain stable for 5 years or more* The formulation contains dichloroisocyanurate, an organic chlorine donor with superior disinfection capacity* Manufactured to strict specifications to ensure an accurate dose* Convenient, simple to use method of purifying stored water Aqua Clean Tabs kill bacteria, spores, cysts, algae, fungi, protozoa and viruses, and are especially lethal to Entamoeba histolytica. Causative water borne organisms, amongst others, are killed by Aqua Clean Tabs these are: Salmonella typhi, Vibria cholerae, Shigella sonnei, Sterptocoecus faecallis, Estcherichia coli. Aqua Clean Tabs and Aqua Mega Tabs are specifically formulated for maximum microbiological control in stored water, and will keep the water fresh.