Follow these steps to remove cooking grease and auto grease stains from stone surfaces such as Bluestone, Brick, Concrete, Flagstone, Granite, Limestone, Masonry Tile, Sandstone, Slate and Terrazzo:
- Pour a strong solution of washing soda and boiling water onto the surface.
- Cover the stain with a paste made of fuller's earth and hot water.
- Leave overnight.
- Rinse with clear water.
- Repeat if necessary.