The answer to 'sanitizing buildup' is that common causes include soap scum, hard water deposits, and mold or mildew growth. Symptoms include a dull, hazy appearance and a rough or sticky feel to surfaces. Solutions include regular cleaning with the right products and techniques, as well as addressing the root causes.
For minor buildup, homeowners can often handle sanitizing with DIY methods like baking soda, vinegar, or specialized cleaners. But for more stubborn or extensive buildup, it's best to call in a professional cleaning service. They have the right tools, products, and expertise to safely and effectively remove buildup without damaging surfaces.