Related Clues:
- 20 Mule Team product
- Ore used as a cleansing agent
- Powdered cleaning agent
- Water softener
- Gypsum variety
- Sculptor's medium, perhaps
- Death Valley product
- Mineral used to soften water
- 20 Mule Team compound
- Salt used in manufacturing
- Detergent ingredient
- Detergent powder
- Shoddy merchandise
- Roach killing chemical
- White gypsum