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<p>[QUOTE=&quot;Insider, post: 2348249, member: 24314&quot;]Cool, experiments are good as long as nothing gets blown up!&nbsp; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie9" alt=":eek:" unselectable="on" unselectable="on" /> </p><p>You can purchase BU and Proof coins for under $5 each at coin shows.</p><p>&nbsp;</p><p>Cover a small 90% silver coin in a small glass container with dip.&nbsp; Cover the container.&nbsp; You can do this with anything (clad coin, copper coin, proof coin, nickel coin) BUT use separate containers for each.&nbsp; Start out with a coin with &quot;perfect, original surfaces&quot; - they can have bag marks.&nbsp; Put in sunny window if you wish to speed up the reactions.&nbsp; Have fun!</p><p>&nbsp;</p><p>You can even try this with 50% dilute dip to see the difference.&nbsp; KEEP NOTES.[/QUOTE]</p><p><br /></p>

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