The answer to 'why is my tile discolored' is that tile discoloration can be caused by a variety of factors, including improper cleaning, hard water buildup, grout staining, and even natural wear and tear over time. Some common symptoms of discolored tile include fading, yellowing, or spotting on the surface.
In many cases, discolored tile can be treated with DIY cleaning methods like using a mild detergent or tile cleaner. However, for more stubborn stains or discoloration, it may be necessary to call in a professional tile cleaning service. They have the specialized equipment and expertise to deep clean and restore the appearance of your tile without causing further damage.