By Katelin Hill and Donna Boyle Schwartz | Updated Jan 10, 2022 1:37 PM

There’s nothing more elegant than marble, a timeless material available in a variety of colors and veining styles that makes fabulous flooring. This delicate, porous stone is notorious, however, for its susceptibility to stains—and only certain cleaning agents can be used on it without causing damage. How’s a homeowner to keep them looking brand new? If you’re curious about how to clean marble floors in your own home, keep reading for all the tips you’ll need, from routine care to stain removal.

Stay away from harsh cleaners. As a calcareous stone, marble is highly sensitive to anything acidic.

Clean marble floors frequently—especially when the presence of dirt and grit is apparent—with a clean, non-treated dust mop.

Periodic cleaning, at least monthly but more depending on traffic or the presence of dirt, is a must for marble floors. Use a soapless cleaner with a neutral pH (pH7) if possible, which will minimize streaks or film left behind. You can also use a mild, phosphate-free dishwashing detergent or stone soap specifically formulated for marble.

Treat stains as soon as you notice them—the longer you wait, the harder it may be to remove them. If something spills on the floor, blot it up immediately with a soft cloth, taking care not to spread the stain by wiping or smearing it. Flush the spot with water and mild soap, then rinse with more water. Repeat as needed and dry.

If a stain escapes your notice at first, a more targeted treatment approach may be needed, because different stains require different treatments. Organic material (such as most foods, coffee, tea, and fruit)—perhaps the most common culprit on light-colored marble—can be banished with 12 percent hydrogen peroxide and a few drops of ammonia. (Note: While it’s safe to mix hydrogen peroxide with ammonia, do not mix in any other cleaners as they can cause a toxic chemical reaction.)

Pour enough of the solution to cover the stain and give the solution between 10 and 30 minutes of dwell time, then flush with water. If you’re left with etch marks, wet the surface and apply marble polishing powder. Buff it onto the stone with a damp cloth and dry.

For scuffs, the Marble Institute of America recommends an age-old trick: Rub a tennis ball around the mark. The soft material will safely lift the scuff out.

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