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Unread 12-13-2000, 10:38 PM   #3
Memphis
Cooling Neophyte
 
Join Date: Dec 2000
Location: Melbourne, Victoria, Australia
Posts: 45
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I forgot about that process....Its called a sacrificial anode. You use another metal that is higher on the oxidation table to use with the silver. This way the aluminium is oxidised instead of the silver.

Pretty cool stuff! They use this on boats and in other applications as well.

Cheers

Memphis
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