Message:

<p>[QUOTE=&quot;Inspector43, post: 4204631, member: 89213&quot;]I am using 40 Volume Hydrogen Peroxide on some coins. It bubbles dirt off so well that you can&#039;t leave a top on the container or the pressure will pop it off. I&#039;d try it on some less important coins first. I think you can only get 40 volume from a beauty supply house.[/QUOTE]</p><p><br /></p>

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