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Chemical disinfection / Free chlorine

2 bytes removed, 04:48, 17 January 2013

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Chlorine is a versatile and low-cost disinfectant appropriate for any size water system, whether it serves chlorine can also be used for treating water in individual households. Specially-packaged chlorine bleach can disinfect household water for less than US$ 4/year per family.

[[File:free chlorine chart.jpg|~~center~~none|~~400px~~500px]]

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