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Topic # 240962 4-Oct-2018 08:32
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This is in the headlines for Christchurch. A university report has found a direct link with the recent introduction of chlorine to drinking water. However I am rather puzzled by this. From basic chemistry, does chlorine react with copper metal? Could it be that the chlorine is reacting with impurities in the metal? If so then could it be that the copper that is used in our building industry is sub-standard? Do we have standards? 

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  Reply # 2101370 4-Oct-2018 10:25
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Myself and 4 neighbours have just replaced our hot water cylinders. All houses built by same builder in 1993.  When plumber came to ours he said "builders name" I said yes.  Whoever put cylinders in uses galvanised steel fittings in copper cylinders. So setup for electrolysis  there plus chlorine in water didnt help. Just surprised they lasted that long.

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