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Thats actually mentioned in the surplus rfile thread. The guy that did the experiment seemed to think even plain water would be ok, just slower. But I am going to use washing soda, myself, you're...

You might try the opposite, molasses than electrolysis. If the molasses leaves anything on the metal it'll pull it off.

I'm going to go ahead and dip some junk blades in some salt water and maybe...

I was curious about how this works. Turns out the molasses mix makes an acid, so basically its similar in principle to most other rust removers like naval jelly and vinegar. I'm assuming that its...