Wet & Forget 800003 Outdoor Moss, Mold, Mildew & Algae Remover, 1/2 GallonGet rid of outdoor mold, mildew, moss, lichen and algae in the most easiest of ways. Wet & Forget Outdoor can be applied to any exterior surface, and does not require any scrubbing, rinsing or pressure washing. Wet & Forget Outdoor goes to work with the wind and rain to gently eliminate unsightly growths over time. Wet & Forget Outdoor is non caustic, non acidic and contains no bleach. Therefore, it can be used on any outdoor surface without fading or