Now, now, now, don't get all sensitive on us...
OK, here's some slipshod science... There was a thread that concerned cleaning penn...uh cents with vinegar and table salt (NaCl). I decided why...
gulp
Don't do that
In this same vein, I bought some Australian pennies today and noticed some green on them, so I tried a soak in a sodium bica... sodium hydrogen...
Sorry, the devil made me do that...after all when do I ever get to use those words.:)
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