Bring back the pride in your patio by eliminating stains caused by moss, mold, mildew and algae that have built up over the year. Eliminate those tough stains with Scotts® outdoor cleaner patio and deck with ZeroScrub™ technology. With a fast acting formula, there is no need for scrubbing or power washing. Simply use the extended reach, battery powered wand to spray the convenient no mix formula onto a dry, stained surface. You'll start seeing results in 24 hr. Scotts® outdoor cleaner patio and deck with ZeroScrub™ technology works great on vinyl, concrete, wood, wood composite, slate, cement, stone, brick and many more outdoor surfaces with long-lasting results.