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Detached Member
Join Date: May 2003
Location: southern California
Posts: 26,964
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Try 10% ammonia, the stuff at the grocery store is only 5%. Go to a blueprint shop and see if you can get some of the good stuff. Use it outside. IIRC, copper doesn't plate to stainless steel, probably nickel plating underneath. Ixnay on the cadium.
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Hugh
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