Green Grunt is designed to be an easy use, fast acting liquid graffiti remover that will penetrate deeply into the surface. A new green alternative to chemical removal, made from organic derivatives, such as Camelia and Coconut. Use on large or small areas of Graffiti on common exterior surfaces, including brick, concrete, stone, masonry, mild steel, stainless steel and wood surfaces. Green Grunt is biodegradable with a pleasant odour. Cleaning up your environment, looking after the earths environment.