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<p>[QUOTE=&quot;Insider, post: 2662379, member: 24314&quot;]IMO, you can skip the water.&nbsp; You can skip the acetone also; however, since it cannot hurt the coin and will remove organic stuff on it, it cannot hurt so let&#039;s leave that step in.&nbsp; You see, Doug is correct to work in steps.&nbsp; The more contamination and oxidation you can remove before going to the next step the better.&nbsp; Most just dip the coin in one step.&nbsp; Although this usually works, on occasion there will be something on the coin that reacts with the dip and the result is not as good (including blow-ups) as it would have been doing the steps.&nbsp; </p><p><br /></p><p>Even Care and I suspect Verdi-Care will remove many types of haze or contamination such as PVC.&nbsp; Many professionals swear by MS-70 as straight dip tends to turn the edges of exposed copper under the clad layer pink.&nbsp; My step #1 is MS-70 and very often that alone does the job. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie2" alt=";)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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