Let's answer this question slowly: Is week old chlorine water safe to drink?

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Chlorine is a chemical that is the second lightest halogen element. Chlorine is toxic and can attack the respiratory system of humans. Chlorine is highly soluble in water and will dissolve in around 4 and a half days. The Water Quality and Health Council states that chlorination of drinking water protects consumers from diseases caused by waterborne microorganisms. So the answer is yes.
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