Water Purification Tablets. 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.
eBay