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<p>[QUOTE=&quot;TheMont, post: 2657502, member: 80121&quot;]I live in a rural area and our water is supplied by a water co-op. They do not soften the water and as a result I have to use a lime cleaner on our faucets, shower head, dishwasher, etc. on a regular basis. you&#039;d be surprised how quickly the lime and calcium build up. For our humidifier and coffee maker I use distilled water and have no problem whatsoever. Every chemical leaves&nbsp; behind a residue, especially if you just let it evaporate. That&#039;s why I have, for many years, always rinsed off a coin, with distilled water, that I have used acetone to remove PVC residue. As I matter of fact I rinse coins that are dirty with distilled water and pat them dry with a soft cloth. I don&#039;t know how long you may leave your distilled water sitting in a plastic jug, but we use it so often, it doesn&#039;t have time to pick up any contaminants from the jug. As I said in an earlier post, I have never had a TPGS reject a coin that I&#039;ve used acetone on it. Acetone DOES NOT react with any metal only what&#039;s on the metal, unlike dip which does react with the metal.</p><p><br /></p><p>Thanks for the kind comment on my 1964 PR69Cam Silver Kennedy, they are hard to get graded that high, no 1964 has ever graded a PR70. Now if I can just get one to grade PR69DCAM, I will have the Number 1 PCGS registry set for Proof silver Kennedy Half Dollars.</p><p><br /></p><p>By the way, I tried using acetone on an Eisenhower silver dollar, from the brown box, and it removed that haze that some of them develop.[/QUOTE]</p><p><br /></p>

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