1 Shot Graffiti Remover by Bare Ground. in this 28oz easy to use trigger sprayer, is a 100% biodegradable and all-natural cleaner that removes grease, spray paint, tar, markers and pencil from hard surfaces. Who hasn’t accidentally dropped a pen or marker on a desk or table only to leave an ink mark on it? One Shot Graffiti Remover to the rescue!!! It cleans mold and mildew from tiles and grout, too. It’s non flammable, has no harsh fumes or acids. With exceptional vertical cling and dwell there is virtually no dripping, running and restaining on vertical surfaces such as walls, doors, or lockers. One Shot Graffiti Remover will also eliminate Calcium Chloride CaCl2 buildup. It is safe on boats, autos and RVs. VOC compliant and non-toxic! Easy to use and comes in a convenient trigger-spray bottle.