The answer to 'why is my tile grimy' is that tile can become grimy over time due to a buildup of dirt, grime, and soap scum. This is a common issue in bathrooms, kitchens, and other high-traffic areas where tile is used. Symptoms of grimy tile include a dull, discolored appearance and a rough, sticky texture.
There are several common causes of grimy tile, including not cleaning the tile regularly, using the wrong cleaning products, and allowing water and moisture to sit on the tile for too long. Improper cleaning techniques, such as not scrubbing thoroughly or not rinsing the tile properly, can also contribute to a grimy appearance.