Dark Hardwood Floor Stain. Soak a piece of cloth in hydrogen peroxide and place over the stain overnight or at least 8 hours during the day. The kitchen would have a big window facing the front and the door in the dining room would lead out onto the front porch. Hydrogen peroxide is suitable for removing dark stains and lingering smells on hardwood floors.
… you cannot sand thin, detached, old, or floating engineered hardwood floors. But these floors are a pain to keep clean and pristine. Oak is a light wood so it can go lighter.
Gallery of Dark Hardwood Floor Stain
Use long and even strokes when wiping the wood stain onto the hardwood floor, remembering to work with the grain. Activities we do such as ink spills, oil spills, and sometimes injuries cause dark spots. Apply white vinegar over the stain and let it sit for several minutes. Kids' urine enhances the growth of mold and mildew leaving behind dark spots on the wood floor.