>I've been using a benchtop ultrasonic cleaner made for jewelers for years.
>It's about a 1.5 gallon size and it does an amazing job of cleaning. My
>jeweler buddy uses "Simple Green" with a dash of ammonia for jewelry
>cleaning . . I wish I know more about what solutions to use on aluminum,
>zinc, and copper . .
I have heard that you do NOT want to use Simple Green on aluminum. I'd
also be really careful not to mix ammonia with chlorine compounds. I have
heard that some folks got real dead after mixing ammonia and chlorine
bleach.
Phil "not a cleaning-products designer" Ethier
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