The answer to 'hardwood floor stain removal' is to first identify the cause of the stain, then use the appropriate cleaning method. Common causes include spills, pet accidents, or discoloration over time. Symptoms may include unsightly dark or light spots on the floor.
For fresh spills, blot the area immediately with a clean, absorbent cloth. Then use a hardwood floor cleaner and a soft-bristle brush to gently scrub the stain. For older, set-in stains, you may need to use a wood floor stain remover or a diluted vinegar solution. If the stain persists, you may need to sand and refinish the affected area. If the stain covers a large section or you're unsure of the best approach, it's best to call in a professional hardwood floor cleaning service.