How to Protect Marble and Natural Stone Countertops

Why Natural Stone Needs Special Care

Marble, travertine, limestone, and other natural stones are among the most beautiful surfaces in any home or commercial space — and among the most vulnerable. Unlike ceramic tile or engineered surfaces, natural stone is porous and reactive. Acidic substances like lemon juice, vinegar, wine, and even many household cleaners can etch the surface, leaving dull spots that look like stains but are actually physical damage to the stone.

Understanding the difference between a stain (a substance absorbed into the stone) and an etch (acid damage to the surface) is the first step to caring for stone correctly.

What to Avoid on Natural Stone

• Acidic cleaners: Vinegar, citrus-based cleaners, and anything with a low pH will etch polished stone immediately.
• Bleach and ammonia: These can discolor stone and degrade sealers over time.
• Abrasive scrubbers: Steel wool or abrasive pads will scratch polished surfaces.
• Generic all-purpose cleaners: Most are not pH-neutral and are not safe for stone.

Step-by-Step: Cleaning Natural Stone

Step 1 — Use a pH-Neutral Stone Cleaner

For routine cleaning, always use a cleaner specifically formulated for natural stone. Apply to the surface and wipe with a soft microfiber cloth. Avoid letting liquid pool on the surface.

Step 2 — Address Spills Immediately

Blot — don't wipe — spills as soon as they occur. Wiping spreads the liquid and increases the area of potential absorption. For oil-based spills, a small amount of dish soap on a damp cloth can help lift the oil before it penetrates.

Step 3 — Remove Stains with a Poultice

For stains that have already absorbed into the stone, a poultice is the professional solution. Mix an absorbent powder (like baking soda or diatomaceous earth) with a cleaning agent appropriate for the stain type, apply it over the stain, cover with plastic wrap, and allow it to draw the stain out over 24–48 hours.

Step 4 — Seal the Stone

Sealing is the single most important step in protecting natural stone. A penetrating impregnating sealer fills the pores of the stone, dramatically reducing how quickly liquids are absorbed. Apply sealer to clean, dry stone and allow it to cure fully before use.

Browse our hard-surface care collection for professional-grade stone sealers and cleaners suited to marble, granite, travertine, and more.

How Often Should You Seal Stone?

Sealing frequency depends on the stone type, finish, and how much use the surface gets:

• Marble and limestone: Seal every 6–12 months in high-use areas.
• Granite: Typically every 1–2 years, as it is less porous than marble.
• Travertine: Seal every 6–12 months; its open pores make it especially vulnerable.

A simple test: drop a few beads of water on the surface. If they absorb within a few minutes rather than beading up, it's time to reseal.

Maintenance Best Practices

• Use coasters under glasses and trivets under hot items.
• Place mats at entryways to reduce grit that can scratch stone floors.
• Dust mop stone floors before wet mopping to avoid grinding abrasive particles into the surface.
• Never use steam cleaners on sealed stone — the heat can break down the sealer.
• Schedule professional honing or polishing when etching or scratches become noticeable.

Have questions about the right products for your stone type? Browse our hard-surface care collection or contact us for a professional recommendation.