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<p>[QUOTE=&quot;Sallent, post: 3585426, member: 76194&quot;]With proper removal of BD, followed by a soak or two in distilled water, and Verdicare treatment, the coins should never show signs of BD again. If they do, then you weren&#039;t thorough enough and should repeat the process one more time.</p><p><br /></p><p>You are dealing with ancient coins here. They don&#039;t need airtights. And the oxidation process he described are for modern coin metals, not ancient coins. What you need to do is remove the corrosion and neutralize the salts that are interacting with the oxygen to cause BD. Once you do that, the coin should remain stable indefinitely. You know how to cure the coins now....so go get the tools and have fun at it.</p><p><br /></p><p><b>Note: Make sure coin is completely dry after distilled water treatment before Verdicare. </b>Let the coin dry out for a day or two. Also, Verdicare treated coins should be dried up with a towel after no more than 24 hours. I&#039;ve accidentally let a coin soak in Verdicare for 3 days by accident with no ill effects, but instructions say no more than 24 hours.[/QUOTE]</p><p><br /></p>

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