Related Clues:
- Caustic soap stuff
- NaOH
- Strong solution of sodium
- Soapmaker's supply
- Cause of some skin burns
- Basic material
- Alkaline soap ingredient
- Grammas' _____ soap
- Stuff used to cure green olives
- Cleaning chemical
- It turns litmus paper blue
- Caustic drain opener
- Sodium hydroxide, familiarly
- Blue litmus indicator
- Strong sodium solution