What do you guys use to seriously clean your old coins?

[Detector Gadget]

I am brand new to this hobby. I am trying to find out how to clean the old coins that I will find in the near future. Can you members give me some solid advice so I will not ruin anything that might be worth something. You guys are great and have been a ton of help so far. Love all the pics.

 

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[Jeffro]

In case you haven't seen it yet, there's a whole forum on cleaning and preservation here- http://forum.treasurenet.com/index.php/board,70.0.html