Follow these steps to remove mustard stains from Bluestone, Brick, Concrete, Flagstone, Granite, Limestone, Masonry Tile, Sandstone, Slate, Terrazzo:
- Remove any excess spill.
- Wash stain with a solution of washing soda and water.
- Use a cloth or soft-bristled brush to help clean.
- Rinse thoroughly with clear water and allow to air dry.