The answer to 'why is my countertop dirty' is that there are several common causes, including food spills, water stains, grease buildup, and general wear and tear. Countertops can become dirty and stained over time due to regular use and exposure to various substances in the kitchen.
Some of the most common symptoms of a dirty countertop include visible stains, a dull or hazy appearance, and a rough or sticky texture. The good news is that there are usually simple solutions to clean and maintain your countertops, depending on the type of material and the severity of the dirt or stains.