Oak wood floor finish

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There was moisture on a throw run and it turn floor black. I have used steel wool, vinegar, fine sandpaper and can not get it all to come out. Any suggestions, thank you

  6 answers
  • GrandmasHouseDIY GrandmasHouseDIY on Jan 05, 2018
    Hi Chris, I hate to say but with everything you've tried the only thing left sounds like sanding it out and refinishing that portion of the floor.

  • Janet Pizaro Janet Pizaro on Jan 05, 2018
    For one last try use white toothpaste

  • Ken Ken on Jan 05, 2018
    Look for a product called "wood bleach". It is oxalic acid. Use according to directions.

  • Susan Massey Susan Massey on Jan 05, 2018
    Get another throw rug!

  • Susan Harris Seeley Susan Harris Seeley on Jan 06, 2018
    Unfortunately using vinegar only darkened the wood. You have nothing to loose at this point. Try bleach to lighten it. It will raise the grain and need to be sanded. Also if the original finish ( poly) is still there, you should remove it first.
    a new rug would be easier. If it’s in front of a door, you could cut the wood away and tile it

  • Margolynluvsu Margolynluvsu on Jan 06, 2018
    Try bleach. Do a couple of test areas first.