You've probably noticed those ugly black streaks running down your vinyl siding and assumed they'd wash away with a good scrub. They don't. That's because they're not dirt at all, they're a type of algae called gloeocapsa magma that actually feeds on the limestone filler in your siding. Regular garden hoses and elbow grease won't touch it. You need the right combination of cleaning solution and technique to break it down without damaging your home's exterior. A professional Pressure Washing Service Port Chester NY knows how to adjust water pressure and use the proper detergents to remove those streaks for good. The same goes for outdoor surfaces like driveways and patios, which is why finding a reliable Paver Sealing Company near me matters when you want lasting results. Sealcoating By Sam's Landscaping : https://www.google.com/maps?cid=6455514313917383434 Read the full story : https://gulfsena.com/blogs/59219/Why-Those-Black-Streaks-on-Your-Siding-Won-t-Scrub