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Old 01-14-2012, 06:32 PM   #9
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Join Date: 09-03-11
Location: Cedarburg, wi

I second electrolysis. I use a solution of washing soda and water, and then use a battery charger. Remember the black lead goes to the cast iron, and the red lead goes to the piece of metal you want the rust to jump to. It can take days, though, so wire brush and rocksalt may have to work if you need it soon.
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