Shop for Paint at The Home Depot. Wet and Forget 5 gal. Mold, Mildew and Algae Stain Remover is the easy, 1-step solution to removing outdoor mold, mildew and algae. No scrubbing, rinsing or power washing required. This EPA registered product is non-caustic, non-acidic and contains no bleach. Simply dilute and apply with a pump up garden sprayer, then sit back and let Mother Nature do the rest. Wet and Forget works gently over time. Safe around plants and landscaping when used as directed.