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<p>[QUOTE=&quot;jtlee321, post: 5127683, member: 73983&quot;]MS70 is a base solution.&nbsp; It won&#039;t harm the surface of the metal.&nbsp; It&#039;s basically a very strong detergent.&nbsp; It will only help to remove debris stuck to the surface of the coin.&nbsp; There are times when it removes toning, but only when that toning was caused by a thin film of a substance sitting on the surface of the coin.&nbsp; Toned coins where a reaction or oxidation of the metal will not react to MS70.</p><p><br /></p><p>I understand you being worried about using Ez-est or some other dip.&nbsp; The longer the coin is exposed to it, the more damage that can occur to the surface of the coin.&nbsp; That&#039;s why I suggested the boiling water, baking soda, salt, foil and baking dish idea above.&nbsp; It creates a VERY mild electro chemical reaction that helps to reverse the oxidation on silver.&nbsp; I&#039;ve done it with deeply tarnished silver, stuff that is almost black, and it&#039;s like watching a magic trick.&nbsp; The dark toning turns to bright silver.&nbsp; One thing you don&#039;t want to do keep your face over the dish while the process is working.&nbsp; The fumes smell like rotten eggs.&nbsp; Because really what is happening is the sulfur that caused the tarnish is being released and it&#039;s effects are reversed.&nbsp; You can watch a youtube video on it.</p><p><br /></p><p>Here is a Youtube video of it working.&nbsp; Apparently I forgot that you have to be touching the silver object for it to work.&nbsp; It&#039;s been over 10 years since I&#039;ve done this.&nbsp; But I used boiling water or very warm water.&nbsp; The thing is, it won&#039;t hurt the coin or you.&nbsp; Unless of course you burn yourself with boiling water, so maybe just use really warm water.&nbsp; LOL&nbsp; Worst that can happen, is nothing happens.&nbsp; It is safer than dip though.</p><p><br /></p><p>[MEDIA=youtube]8wPLWuy2O7M[/MEDIA][/QUOTE]</p><p><br /></p>

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