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<p>[QUOTE=&quot;10gary22, post: 1432749, member: 23626&quot;]Some time ago, I cleaned some silver with the baking soda solution cooking method. That works best of any process I have used to rid the sulfates without etching or harming the surface, as it&#039;s simply a chemical process that transfers the sulfate to aluminum.</p><p><br /></p><p>To speed the process, I tried running an electric current through the solution, much like they do with shipwreck coins.</p><p><br /></p><p>I acidentally reversed the Polarity on a Morgan and watched a blackness spread across the coin much like an eclipse of the sun. LOL The coin became a perfect black specimen across both sides.</p><p><br /></p><p>I managed to remove the tarnish eventually. The experiment was as fun as high school chemistry. LOL But how do you learn without trying something different ? I pass this along, &quot;Keep your hands, dips, solutions, etc. OFF your coins&quot;, excepting the junk, or course. Then it really makes no difference. IMHO[/QUOTE]</p><p><br /></p>

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