On Sep 10, 6:23*am, " wrote:
I have some dark water stains on my hardwood oak flooring that I would
want to remove. I read here that oxalic acid is a good way to approach
this.

The problem is I cannot find any. At Home Depot they looked at me like
I awas from another planet and had never heard of it.

Does it perhaps have another name so I can find some?

TIA

Common ingredient in automotive radiator flush. HTH

Joe