A dual purples product that neutralizes,cleans and brightens decks, fences and other weathered wood, helping restore the natural, like-new appearance. This product will removes UV damaged, gray wood fibers, ground-in dirt and stains from mildew and algae on decks, fences and other exterior wood structures. Also removes nail bleed and dark tannin bleed from tannin-rich Cedar, Redwood, Mahogany, Ipe and more. Great for use as a neutralizer after paint strippers have been applied.