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<p>[QUOTE=&quot;halfcent1793, post: 4080276, member: 86853&quot;]Here&#039;s what I wrote about VerdiCare in the same article:</p><p><br /></p><p><b>Verdi-Care </b>[Verdi-Chem, Cincinnati, OH] labels itself “a modern alternative to using oil and harsh solvents on coins.” The company’s FAQ includes the following: “VERDI-CARE™ utilizes a 2-stage system surface protection system [<i>sic</i>]. Closest to the surface, the ReAcT2™ ingredient forms a semi-permanent bond with metal. This layer provides heavy-duty, advanced corrosion protection and is only molecules [elsewhere in their literature it says one molecule] thick. It’s completely invisible and will last virtually forever. The second (upper) level is an advanced, water-soluble, surface-conditioning, polymeric layer that will repel atmospheric contaminants and enhance luster.” Unfortunately, ReAcT2 is proprietary, so we are not told what it is beyond that it forms a semi-permanent – whatever that means – bond with the metal and can only be removed with acids. </p><p><br /></p><p>The company’s website shows “typical results” on one large cent and on a number of bronze, silver and nickel coins. It appears from the photos that the product sometimes lessens the appearance of corrosion, but other times does not. The coins are left with a look that I would call a cross between oiled and lacquered. Various online forums claim that it should NOT be used on copper coins. [A well-known EAC member] reports that <b><i>it dissolves copper if left on for very long.</i></b> </p><p><br /></p><p>I confess to a personal aversion to anything called a “system.” Experience shows that all systems fail sooner or later. More seriously, it’s a very poor idea to put any-thing on a coin when you don’t know what it is, and you don’t ever want to put ANY acid on a copper coin for any reason. I would never put anything on a coin that has an unknown proprietary formula or that claims to form a semi-permanent bond with the metal, so I have never tried the product. You’re on your own, but my recommendation is to avoid it.[/QUOTE]</p><p><br /></p>

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