Mold armor, 64 ounces, ez deck, fence & patio wash with microban foaming technology. kills mold & mildew and cleans your home's exterior in minutes. the epa-registered, ready to use formula combines with a powerful sprayer to remove stains without scrubbing. microban foaming technology clings to exterior surfaces for an even better clean. restores the natural look to weathered, discolored wood within minutes. spray on, wait 10 minutes and rinse off. cleans up to 4,500 square feet.