The Mold Armor Deck Wash H/E will make your deck bright again within minutes. This outdoor stain and mold mildew cleaner uses a bleach-based formula that cleans and brightens exterior surfaces dulled by the presence of mold. This deck wash is ideal for use on decks, fences, painted/sealed wood, composite, PVC, restored, and resurfaced finishes. Finally, a deck wash solution that is easy to use - simply attach a garden hose while valve is in the off position, spray on surfaces, wait 10 minutes, then wash off. No scrubbing necessary! This deck wash removes mold, mildew, and stains caused by dirt to restore the natural look of weathered, discolored wood. Great for surface preparation prior to painting. This mildew killer and composite decking cleaner does all the work so you don't have to. Keep out of reach of children and follow all directions carefully.