You wipe down your marble countertop, let it dry, and that cloudy ring is still there. Before reaching for a stronger cleaner, take a closer look. The mark may be etching.
What causes a dull ring on marble?
Marble reacts with acidic substances. Lemon juice, vinegar, wine and some household cleaners can alter its surface, leaving a dull or pale area. That change in the finish is called etching.
On polished marble, an etch often stands out when light catches the countertop. Cleaning alone cannot restore a finish that has been chemically altered.
Is it an etch or a stain?
A stain occurs when a substance penetrates the stone and changes its color. Etching affects the surface finish. Both can happen in the same area, so identifying the problem matters before choosing a treatment.
A stain may need a treatment designed to draw out discoloration. Etched marble may need honing or polishing, depending on the finish and depth of the damage. A product intended for polished marble may not be suitable for a honed surface.
Will sealing prevent it?
A penetrating sealer helps reduce absorption and the risk of staining. It does not prevent acid etching or repair an existing dull spot.
For everyday care, blot spills promptly and use a pH-neutral cleaner labeled safe for marble. Follow the product directions and use a clean, soft cloth. Avoid vinegar, lemon-based cleaners and abrasive scouring pads. Coasters also help keep acidic drinks away from the surface.
When should you ask for help?
If a mark remains after gentle cleaning, have the surface evaluated before trying stronger products. Restoration options and results depend on the stone, finish and condition.
Cornerstone Hard Surface Restoration helps homeowners in Mobile and Baldwin County with natural stone cleaning, honing, polishing and sealing. Contact us to discuss the marks you’re seeing. A close-up photo and a wider view of the surface are helpful starting points.
