I put some oxalic acid on a piece of furniture I am refinishing to remove/lighten some stains (deck cleaner). It caused the stain in that area to be about two shades lighter than the other parts.
What is the best/recommended way to neutralize? I have read that 50% ammonia/water. Also saw mention of baking soda.
I'll have to sand off the poly finish anyway and start over.
Many thanks
tom