Be sure the label states that hypochlorite is the only active ingredient. Bleach containing soap or fragrances is not acceptable. After 30 minutes the water should taste and smell of chlorine. At this time it can be used. If after one half hour the water does not have a chlorine smell, do not use it.
Plastic containers are good because they are lightweight and unbreakable.
Metal containers should be considered as a last resort because they may corrode and give water an unpleasant taste. Water that local officials report has been contaminated with toxic chemicals or radioactive materials cannot be purified using home decontamination methods. Facts About Water Water is the single most abundant substance in the human body, making up to 60 percent of an adult's weight and up to 80 percent of an infant's weight. A person can live several days without food, but just a few days without water. It is second only to air in importance to life.