You've probably noticed those dark streaks creeping down your vinyl siding and figured a good scrub would take care of it. Wrong. That's not dirt, it's algae called gloeocapsa magma, and it's practically glued to your house. Regular soap and a brush won't touch it because the spores embed themselves in the porous surface of the siding. You need actual cleaning power to break it down without damaging the material underneath. A proper Pressure Washing Service Port Chester NY knows the right pressure and cleaning solution to remove it safely. If you've got similar staining on your driveway or patio, a Paver Sealing Company near me can restore and protect those surfaces too. Don't waste your weekend scrubbing when the problem needs professional treatment. 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