Mon, Jun 20, 2011 - 3:07pm
Here's a great vido on how to use electrochemistry to remove tarnish from your old silver items. Of course you may not want to do this if it would decrease the numismatic value.
Cool Science: Restore Silver with Electrochemistry
If you're looking to add tarnish or color to your silver rounds/bars, watch this great video:
Make Silver Different Colors by Anodizing
Edited by: Old Major on Nov 8, 2014 - 5:09am