Good morning everyone!
This morning I was planning on using oxalic acid for a few of my tools and headgear. I have a pair of Adrian helmets that could do with a bath to get rid of their mostly surface rust. I can tell there is beautiful paint underneath it. Is oxalic acid safe to use on these helmets? A couple years ago, when I was foolish, I used oxalic acid on an adrian that had rust creeping under the paint and a lot of the original paint was removed. I’m not sure if it was my fault, or if the acid removed it.
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