The HG stove glass cleaner is a versatile product that can be used to remove soot from bricks or fireplaces, in addition to cleaning stove and oven glass. To use, simply spray the cleaner onto the surface and let it sit for 3 to 5 minutes. After this time, the foam can be removed with a wet cloth. For tough deposits, repeat the process for effective results. The 500ml bottle comes with a 30% extra amount, providing 650ml of cleaner.