1, first look at the oil stains on the fire stone.
2. Then drop the degreasing agent onto the oil-stained surface of the fire stone.
3, then use a sponge to wipe the oil stains on the fire stone.
4. Next, wash the burning stone with clean water.
5, and then use a towel to wipe the fire stone clean.
6. Finally, the oil stains on the surface of the burning stone can be removed.
The stones of the volcanic stone sausage oven do not need to be washed, but can be washed with water after the stone cools naturally