Mold Armor E-Z Deck, Fence & Patio Wash kills mold and mildew and cleans exterior areas in minutes. The EPA-registered, ready to use formula combines with a powerful sprayer to remove stains without scrubbing. Now with the power of Microban Foaming Technology that clings to exterior surfaces for an even better clean. Spray on, wait 10 minutes, wash off. Size: 1 Gal. \nProduct Form: Ready-To-Use Liquid \nCoverage: 4500 Sq. Ft. \n