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<p>[QUOTE=&quot;Insider, post: 2337920, member: 24314&quot;]A coin cleaner, and pre-dip.&nbsp; Very useful for coin conservation and as far as I know used at each major TPGS.&nbsp; Learn to use it correctly and you&#039;ll swear by it (in spite of what you&#039;ll read on CT).&nbsp; Unfortunately, we think they changed the formula &quot;slightly&quot; around 2001.&nbsp; The color changed (and still does from batch to batch).&nbsp; Betterbilt claimed the formula did not change but IME the product worked much better in the past no matter how good it is today.&nbsp; One conservation lab I&#039;ve been in keeps the old stuff &quot;locked away&quot; for the director&#039;s use on really rare stuff.&nbsp; One day, the old stuff will be as rare as &quot;Blue Ribbon&quot; and &quot;Trike&quot;</p><p><br /></p><p>Betterbilt Chemicals.[/QUOTE]</p><p><br /></p>

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