How To Clean Sandstone Window Sills Online

| Stain Type | Safe Treatment | |------------|----------------| | Oil/grease | Apply absorbent poultice (cornstarch + water paste). Let dry, then brush off. | | Rust | Commercial rust remover for natural stone (test first). | | Efflorescence (white powder) | Brush dry with stiff nylon brush. Do not rinse; it will dissolve back in. | | Ink/dye | Dab with acetone (test in hidden spot), then rinse. |

If your sandstone window sill has mineral deposits or stains, you may need to use a descaling solution. Apply the solution according to the manufacturer's instructions, and then rinse the window sill thoroughly with clean water. how to clean sandstone window sills