A-1 Hydro. / Safe Wash Technologies, the industry leader in providing quality eco-friendly detergents to keep commercial, industrial, and recreational equipment and facilities clean, is pleased to be offering a full line of power washers all over Brooklyn, Medford, Westchester, Bronx, NYC, Kearny, or the surrounding areas. Whether it is our driveways, sidewalks, patios, or other hard surfaces, the best way to clean these hard surfaces is with a power washer unit