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<p>[QUOTE=&quot;GDJMSP, post: 513620, member: 112&quot;]I have no idea what is in it, just like I have no idea what is in Biox. All I know is it is a chemical that supposedly removes verdigris. I can only assume that it is some sort of acid &amp; works in a similar nature to Nic-A-Date. And no coin ever treated with Nic-A-Date will ever be slabbed. Just like a coin that is over-dipped, they are not slabbed either. </p><p><br /></p><p>There are many different things out there that should remove verdigris. The question is - how much harm to the coin will they cause in the process ? I suppose you could even use Coke if you wanted to, but Coke will disolve a copper coin if it is left in there long enough. And people drink that every day.</p><p><br /></p><p>I strongly doubt it would be safe to drink Verdigone or Biox, so imagine what they can do to a coin.</p><p><br /></p><p>Yes, verdigris should be and needs to be removed or else it will absolutely do additional harm to your coins. Verdigris corrodes coins, and corroded coins are typically body-bagged - with the exception of early copper. </p><p><br /></p><p>Thus once the verdigris is removed and the corrosion (damage to the coin) is exposed there is a very good chance the coin will not be slabbed.[/QUOTE]</p><p><br /></p>

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