Add 3 drops of household 2% tincture of iodine to 1 quart of clear water, and wait 1 hour (add 6 drops for cloudy water)
Large & Small Amounts of Water
Add sodium hypochlorite in the amounts shown. Ordinary household bleach contains this compound, usually at 5.25% strength. Add to correct dose mix and wait 1 hour. Treated water should have a distinct chloride odor. If not add more bleach and let stand 15 minutes.