Aging Wood | Haunt Forum- iron vinegar aging wood ,20/10/20· This is a pic of tea/iron acetate aging on a new pine board. I got a nice silvery finish that compared well with some naturally aged boards. There's no noticable vinegar smell. The strength of the tea seemed to be the major player in the aging.Force-Aging Wood - Finishing - Wood Talk Online31/1/2020· Vinegar is 95% water or so, so when all of the acid reacts it leaves some iron and water sitting there with nothing to do but make rust (iron oxide.) If I was sincerely looking for a repeatable product I would get some glacial (without water) acetic acid and react it with a measured amount of iron, then dissolve that back in distilled water at a known rate.