The answer to 'window cleaning buildup' is that it is a common problem caused by a buildup of dirt, grime, and mineral deposits on windows over time. Symptoms include streaks, spots, and a hazy, cloudy appearance that reduces visibility and makes the windows look dirty.
To address window cleaning buildup, you can try DIY solutions like using a vinegar-based window cleaner or a squeegee to scrape off the buildup. However, for more stubborn buildup or hard water stains, it's often best to call a professional window cleaning service. They have the right tools and techniques to safely and effectively remove the buildup without damaging the windows.