30 Seconds Cleaners are the Original and still the best Outdoor Cleaners since 1977 when you need to remove stains from Algae, Mold and Mildew or KILL Lichen and Moss. No need for noisy, expensive Pressure Washers with 30 Seconds Cleaners. For a Fast Acting, Instant Clean that wipes out Dirt & Grime, you will want the Original 30 Seconds Outdoor Cleaner. Simply spray on, brush if needed, and rinse away stains from Algae, Mold, and Mildew.