 Easy to use. Doesn't streak. Will remove fingerprints, grease, and watermarks. You can find them at most Ace, True Value, Do It Best hardware stores, Drug Mart, Giant Eagle, Marks, Walmart.com, and Amazon. Looking for a simple way to clean your outdoor surfaces? You need Wet and Forget, the bleach-free cleaner that's changed the way we tackle ugly black and green stains. There's no need for scrubbing. Simply apply Wet and Forget and let nature do the rest.