Easily keep outdoor areas looking their best with Collier manufacturing’s spray and walk away surface cleaner! ready to use, the cleaner includes a hose-end spray for an effortless and efficient application. The powerful blend kills Lichen, moss, and algae, eliminating the need for pressure washing, rinsing, scrubbing, or hosing. Simply spray it on and walk away – it’s that simple. A unique, phosphate-free blend with a neutral ph, the cleaner improves traction, as well as appearance on many surfaces. Use the versatile cleaner on just about any outdoor surface, including roofs, sealed concrete, asphalt driveways, and more.