Vinegar is not a universal recommendation for hardwood floors. Its acidity can affect some finishes, and using too much solution adds moisture where seams and boards do not need it. The safest approach is to follow the flooring manufacturer and use a suitable pH cleaner with minimal water.
Identify the floor finish first
Oiled, polyurethane-coated, waxed, and factory-finished wood floors respond differently. If the finish is unknown, avoid household acid cleaners and use a product recommended for that specific flooring system.
The risk is not only acidity but also moisture
An overly wet mop can drive liquid into seams and edges and cause swelling or marks. Vacuum first and clean with a barely damp tool, drying spills rather than leaving them on the surface.
A flooring-specific pH cleaner reduces uncertainty
Products formulated for finished wood identify dilution and compatibility. Do not add vinegar, bleach, oils, or extra soap to a prepared formula; mixing can leave film or alter the finish.
If dull spots appear, stop using acid and scrubbing
Loss of sheen may be finish damage rather than remaining soil. Let the area dry, compare it with an unaffected section, and consult the manufacturer or a flooring professional before polishing, sanding, or applying more products.
Sources
- American Cleaning Institute — Cleaning Tips — General household-cleaning practices and responsible product use.