The answer to tough stains on window is that there are several common causes, including hard water buildup, grease, and environmental pollutants. Symptoms include streaks, spots, and a hazy appearance. To address these issues, you can try DIY solutions like vinegar, baking soda, and specialized window cleaners. However, for more stubborn stains or if the windows are high up, it's best to call a professional window cleaning service.
Professional cleaners have the right tools and techniques to safely and effectively remove tough stains without damaging the windows. They can also provide ongoing maintenance to keep your windows looking their best.