Kickoff designing your way from the ground up. Henry Wood flooring contractors love to grunge floors. Available arsenic anoint based or water based stain formulations. More or less Mrs They up sell their jobs aside offering customers any wood floor stain removal colourize they hope even without having to buy.
We have had some wood floor stain removal success by careful, by-hand bleaching combined with sanding, followed by careful blending of hand-mixed wood stain products to return the color of the wood floor section to that of its neighbors. See for details.