Ashtray is a place to put cigarette ash. If we let cigarette ashes for a long time in the ashtray, it will be crusty. The crust that comes from these ashes will be a stain. If it is happen the ashtray are made from glass will be difficult to clean.
There are an easy tip how to remove cigarette ash stain from ashtray, i.e.:
1. Add salt into warm water
2. Soak ashtray in that water for 10 minutes
3. Wash it with detergent
A mixture of warm water and salt will be soft the crust of cigarette ashes stains so that easy to clean.