Tablets Can Be Used To Treat Contaminated Water. Kills Bacteria And Viruses. If The Presence Of Bilharzia (Schistosomiasis) Is Suspected; Use 2 Tablets Or Leave Water For 45 Minutes. If Water Is Extremely Cold (Below 50 C) Leave For 30 Minutes. An Innovative Water Treatment Solution To Bring Clean Drinking Water To Families; Communities; And Disaster Relief Or Drinking Access Programs. Combined Flocculation And Disinfectant Tablets For Treating Water At The Household Level. Prevents Common Waterborne Diseases Including Cholera; Typhoid; Dysentery; Polio And Hepatitis. Harmful If Swallowed. Keep In Dry Container. Solution May Bleach Fabrics. 20 Tablets Treat 400lt Of Water.