HG stove glass cleaner porcelain removes all stubborn marks caused by soot, grease and tar for example from the glass surfaces of stoves and hearths. In addition, HG stove glass cleaner is suitable for the removal of soot from bricks. The surface to be cleaned should be cold. Spray HG stove glass cleaner on the surface. Allow 3 to 5 minutes for the product to work and then remove with a wet cloth. Repeat the procedure on stubborn areas.