Related Clues:
- Drain-opening stuff
- Oven cleaner component
- Soapmaking caustic
- Caustic cleansing agent
- Chemical in Drano
- Caustic soapmaking compound
- Chemical used to make biodiesel
- Drano ingredient
- Plumber's helper
- Caustic soap stuff
- NaOH
- Strong solution of sodium
- Soapmaker's supply
- Cause of some skin burns
- Alkaline soap ingredient