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RE: Some thoughts...removing hydra
Since 1982 pennies are about 97% Zinc with a 3% layer of copper. Pre-1982
pennies are about 95% copper/ 5% zinc and weight about 1/2 gram more.
>I am not sure how this weighs in here. As I have been given to understand
>it, pennies are now an aluminum alloy. So unless you are using some old
>pennies you are adding aluminum not copper to the water.
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