Pigmented wax (red, blue, those hipster matte blacks) loves to leave a ghost stain. Even after you pop off the wax, you might see a colored shadow.
Hardwood Floor Wax Buildup Removal – Flooring Ideas
Fordyed stains, mix a paste of baking soda and a little water. Gently rub it into the stain with a soft cloth. This acts like a very gentle sandpaper that lifts the pigment without damaging your floor’s finish. It feels like giving your floor a facial—you’re welcome.
