Stone Countertop Discoloration: Staining vs. Etching
Owners of stone countertops may notice various discolorations on the counter surface over time, caused by a number of factors. These blemishes can broadly be classified as either staining or etching, and each has its own preventative measures and repair methods. Therefore, it’s important to know what kind of discoloration you are dealing with, and which steps to take to both protect your stone countertops and fix any existing damage.
Staining: The porosity of natural stones varies greatly, and so does, of course, their absorbency. We seal our products during installation to help prevent staining; however, this process does not make the stone 100% impervious to liquid. Some stones may absorb liquids, and if such liquids are staining agents, a stain might occur. A stain is usually darker than the stained material, while the surface finish of the stone remains smooth.
Etching: Other “discolorations” have nothing to do with the porosity of the stone, but rather are a result of damage to the stone surface. If the discoloration appears to be lighter in color (may look like “water spots” or “water rings”), it is probably an etch mark. An etch mark is a chemical burn that forms when acid, ammonia, or alcohol comes into contact with the calcium carbonate element that exists in certain natural stones. These marks look like the finish or the shine has been removed from the surface of the stone. The area that is etched can feel a little rough to the touch. Etching is most common on marble, quartzite, travertine, onyx, and limestone surfaces.
GOOD NEWS! Stains can usually be removed and most etch marks can be repaired. Just give us a call! Our skilled craftsmen are specially trained to repair your stone and protect your investment.
Thank you for a magnificent job! Our new beautiful kitchen counter tops are perfect. Deb J. – Slingerlands, NY
The whole experience from picking out the granite to installation was pleasurable. The sales rep and installers were topnotch and very professional. The job they did was excellent. The granite countertop fit perfectly onto our existing cabinets. Their work was neat and precise. I would highly recommend Granite and Marble Works. Paulette J. – Rensselaer, NY
My husband and I couldn’t be more pleased! We recently had beautiful quartz counters installed in both our kitchen and our master bath and everything went perfectly. Our entire process from choosing our stone to installation, AND getting us through a trying time with some cabinet ordering issues went so smoothly. We couldn’t be happier!! Mary R. – Clifton Park, NY
My husband and I redid our 23 year old kitchen from top to bottom! Mike and Margaret and Granite and Marble Works made the counter top aspect of our selections the easiest part. The service was excellent and expeditious and the finished product is outstanding. We would recommend their services to anyone! We are extremely happy! Meg M. – Ballston Spa, NY
Quality experience, very pleased with product and installation. Angela’s expertise and patience was appreciated. The installation crew was on top of their game and personable. We would recommend Granite and Marble Works to everyone. Jack C. – Saratoga Springs, NY
My experience with Granite & Marble Works was exceptional. The staff was pleasant, helpful, answered my questions and returned my calls in a timely manner. But what impressed me the most is the honesty of this company! I highly recommend! Holly B. – Saratoga Springs, NY
They were a pleasure to work with. Their facility is very large and they have a large inventory of stone of all kinds. They use computerized measuring equipment to provide exact specifications for the stone cutting. Installation was timely. Everyone there was polite, helpful, patient, and professional. The outcome is beautiful. Paul L. – Wilton, NY
What an amazing showroom full of beautiful granites and marbles. The guys who installed the granite were so professional. It was so exciting to watch my kitchen be transformed piece by piece. I absolutely love my granite and my kitchen. Thank you to everyone involved with the process. Mari W. – Averill Park, NY