The answer to 'window cleaning discolored' is that there are several common causes for window discoloration, including mineral deposits, hard water stains, and environmental factors like smoke, dirt, or pollen. Symptoms can include streaks, spots, or a hazy appearance on the glass.
In many cases, discoloration can be removed through proper cleaning techniques. For light to moderate buildup, homeowners can try DIY methods like vinegar, lemon juice, or specialized window cleaners. However, for more stubborn stains or extensive damage, it's best to call a professional window cleaning service. They have the right tools and techniques to safely and effectively restore the clarity of your windows.