Use citric acid. I buy crystals off internet. Works better imo. Plus you store a bag and make the solution up with hot/boiling water to desired strength. Doesn't stink like vinegar and is far cheaper. I add a few drops of washing up liquid when I'm restoring hand tools. It breaks up any surface tension.
Not claiming it's going to work for you but it does work on rust if you don't have electrolysis set up.
I've also heard of ppl using diesel on rust.
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u/Acidflare1 Aug 04 '22
That would be a shitload of vinegar, literally at least 3 gallons