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<p>[QUOTE="Just Carl, post: 119813, member: 4552"]That is absoutely rediculous unless you stipulate the grain size of the sand. To course of a sand would leave dents in the coins. For instance a grain of sand 1/4" in diameter would really dent the coins. The sand should be a fine almost dust size in nature. Do not use a pressure of more than 60 PSI. After that rinse off any sand residue with a combination of bleach and ammonia mixted together. :goofer: :smile </p><p> Now as I've said so many times in the past PLEASE DO NOT CLEAN THE COINS. </p><p> Regardless of whether you keep those coins or not, some day someone else may want one.[/QUOTE]</p><p><br /></p>
[QUOTE="Just Carl, post: 119813, member: 4552"]That is absoutely rediculous unless you stipulate the grain size of the sand. To course of a sand would leave dents in the coins. For instance a grain of sand 1/4" in diameter would really dent the coins. The sand should be a fine almost dust size in nature. Do not use a pressure of more than 60 PSI. After that rinse off any sand residue with a combination of bleach and ammonia mixted together. :goofer: :smile Now as I've said so many times in the past PLEASE DO NOT CLEAN THE COINS. Regardless of whether you keep those coins or not, some day someone else may want one.[/QUOTE]
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