Wet & Forget Moss, Mildew, Algae, & Mold Stain Remover, Gallon is the easy, one-step solution for removing outdoor moss, mold, mildew, and algae without the need for scrubbing, rinsing, or power washing. This EPA-registered formula is non-caustic, non-acidic, and contains no bleach or phosphates, making it safe for all outdoor surfaces. It works gently over time to clean vinyl siding, decks (both wood and composite), porch steps, window ledges, boat seats, play equipment, and roofs. Wet And Forget is biodegradable and safe around plants and landscaping when used as directed, providing an effective yet environmentally friendly way to restore the beauty of your outdoor spaces. Model Number: 800006