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<p>[QUOTE=&quot;V. Kurt Bellman, post: 3152945, member: 71723&quot;]I agree with that article and use none of them. I use an Eastman Kodak stain remover intended to de-stain darkroom textiles and fine clothing. It uses NONE of the acids spoken of in your linked article. &quot;Sulfuric, formic, hydrochloric and phosphoric acids&quot;. Mine uses citric acid and is very gentle. I have never had a coin rejected as overdipped, even though it removes all toning given enough time, including a dip time of over 30 minutes once.</p><p><br /></p><p>[ATTACH=full]808069[/ATTACH]</p><p><br /></p><p>I then often dilute this farther with water. This is a slide from one of my 6 Money Talks given at ANA conventions, including one when they were called Numismatic Theater talks.</p><p><br /></p><p>Because y&#039;see, there are OTHER people who have turned a few laps around the old Brickyard other than just our moderators.[/QUOTE]</p><p><br /></p>

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