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<p>[QUOTE=&quot;jtlee321, post: 2716953, member: 73983&quot;]This is not necessarily <b>INCORRECT</b>, if you live in an area with hard water, then you can introduce mineral contaminants, but nothing significant.&nbsp; I live in an area with very clean water, so this would be location dependent.&nbsp; Is it preferable to use distilled water? Yes, but not necessary.&nbsp; If I have left a coin that had a lot of grime and dirt soaking in acetone, I would never just let the acetone evaporate.&nbsp; Doing that will allow whatever contaminates that were suspended in the acetone to redeposit on the surface of the coin.&nbsp; You can either dip it in fresh clean acetone or rinse under water.&nbsp; If you rinse in clean acetone, then you can let it just evaporate.[/QUOTE]</p><p><br /></p>

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