Yes, vinegar can potentially damage quartz countertops. Quartz countertops are engineered stone surfaces made from a combination of natural quartz crystals and resin. While they are durable and relatively resistant to stains and scratches, they are not entirely impervious to all substances.
Vinegar is acidic, and prolonged or frequent exposure to acidic substances can etch the surface of quartz countertops. Etching is a chemical reaction that causes the surface to become dull and lose its shine. Additionally, the acid in vinegar can break down the resin used in the countertop, leading to discoloration or damage over time.
To maintain the appearance and longevity of your quartz countertops, it's best to avoid using vinegar or any other acidic cleaners. Instead, clean them with mild dish soap and warm water or use a cleaner specifically designed for quartz surfaces. Always follow the manufacturer's recommendations for cleaning and maintenance to keep your countertops looking their best. If any acidic substance spills on the surface, it's essential to wipe it up promptly to prevent potential damage.