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<p>[QUOTE=&quot;Sunbird, post: 8102223, member: 116324&quot;]Hi all – I&#039;ve been reading about industrial &quot;parts washers&quot; that use hot water and detergent or degreaser to clean small metal parts. They seem like a natural fit for coins, and much safer than horrible dips and so forth. Has anyone used them?</p><p><br /></p><p>Hot water by itself is intriguing, and seems to solve a wide range of cleaning problems. But I can&#039;t get seriously hot water from typical domestic sources like a faucet, maybe 140-145° F tops. Have you messed around with serious hot water solutions like boilers, pressure washers, or parts washers? It looks like the extra heat will speed up the cleaning time, and maximize the effects of various detergents and degreasers.</p><p><br /></p><p>Will hot water harm any coins? Which types or circumstances? It won&#039;t strip them. I don&#039;t care about cleaning tarnish (meaning, I don&#039;t particularly wish to clean tarnish, say on silver coins, and I don&#039;t mind that hot water and soap <i>won&#039;t</i> do so) – this is mostly about cleaning dirt, grime, human skin oils/sebum, etc.</p><p><br /></p><p>Thanks.[/QUOTE]</p><p><br /></p>

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