If I may go off-current topic for a moment with an LEC problem/question, I have 
some parts and some tools from which I need to remove rust;  some of it bad, 
some not-so-bad.   Some of them have "interiors" that do not lend themselves to 
sandblasting.  I have in my "tech tip" file an electrolytic rust removal 
process that I have used successfully in the past (including parts in a 55 
gallon plastic barrel).
My problem:  I do not know from whom I picked up this tip, and I do not 
remember how to prevent the quick "re-rusting" that takes place so quickly.  I 
know that I used a spray of some kind, but I don't remember what it is.
Can anybody help?
Buster Evans
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