Natural stone is an investment—and like any investment, it requires protection. The difference between a marble countertop that ages gracefully and one that becomes etched and stained within a few years comes down to preventive care. Here’s your 2026 guide to keeping natural stone beautiful for decades.

Sealing: The First Line of Defense

Not all stones need sealing at the same frequency. Marble and limestone (calcium-based stones) are porous and should be sealed every 6–12 months, depending on usage. Granite and quartzite (silicate-based) are more resistant and may only need sealing every 2–3 years. Use the water-drop test: if water darkens the stone within 10 minutes, it’s time to reseal. In 2026, impregnating sealers that repel both oil and water are the gold standard—avoid topical sealers that can yellow over time.

Daily Cleaning: Keep It pH-Neutral

The single most common mistake in stone care is using acidic cleaners (vinegar, lemon, bathroom descalers) on marble or limestone. These cause etching—a permanent dull spot where the acid reacts with the calcium. Always use pH-neutral stone cleaners. For daily maintenance, warm water and a soft microfiber cloth are often sufficient. Avoid abrasive pads that can scratch polished surfaces.

Stain Removal: The Poultice Method

For oil-based stains (cooking oil, makeup), create a poultice: mix baking soda with a small amount of water or hydrogen peroxide to form a paste. Apply to the stain, cover with plastic wrap, and leave for 24–48 hours. The poultice will draw the stain out of the stone. This method works on granite, marble, and travertine alike.

Long-Term Maintenance

Even with perfect care, natural stone develops a patina. For high-traffic surfaces, consider professional honing and re-polishing every 3–5 years. This restores the original finish and can remove minor etching. Many stone wholesalers and fabricators offer maintenance service packages—a valuable add-on for your clients.

Glady Stone provides care and maintenance guidelines with every stone shipment. Our technical team can advise on the correct sealer for your specific stone type and help you set up a maintenance schedule for your projects. Because natural stone should last a lifetime.

Download our 2026 Stone Care Guide at Glady Stone.