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Tried a vinegar and steel wool stain on oak and it turned almost black
I mixed up the classic rust vinegar recipe, two cups of white vinegar with a pad of 0000 steel wool, and let it sit for three days like the old forums say. When I brushed it on a sanded oak table leg, instead of the gray driftwood look, it went deep charcoal in under a minute. Anyone know why the reaction was so strong on this particular piece of oak?
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vera1954mo ago
Had the same thing happen on a red oak board. That stuff is like wood roulette. The tannin levels in oak can be all over the place, especially if it's from a younger tree. Mine went jet black too. I ended up sanding it back a lot and using a much weaker mix, like one part rust liquid to four parts water, to get the gray I wanted. Test on a scrap piece from the same board first next time.
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the_brian4mo ago
You're right about oak being a gamble, vera195, but calling it "wood roulette" might be a bit strong. It's more like the wood is telling you its history. That dark black reaction isn't just about tannin levels being high or low. It often means there's already some natural iron in the wood itself, maybe from old nails or soil minerals, that reacts instantly. I've seen boards from the same tree give different results because one grew near a fence. Your fix to dilute the mix is spot on, but sometimes you have to accept that board wants to be ebony, not gray.
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pat_moore4mo ago
Yeah, the wood telling its history thing. It's like that with a lot of stuff. Old materials just have their own plans. @vera195 had the right idea testing first.
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