Wet & Forget Outdoor is the easiest way to eliminate outdoor mold, mildew, moss, lichen and algae. Wet & Forget Outdoor requires no scrubbing, no rinsing and no pressure washing. Simply apply to any exterior surface and let Wet & Forget Outdoor do the work for you! 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 damaging the surface. Even the most delicate surfaces such as historical monuments and outdoor fabrics can be treated with Wet & Forget! To remove tough stains, just spray and walk away!