Last seen in:
- Eugene Sheffer - King Feature Syndicate - Mar 1 2024
- Eugene Sheffer - King Feature Syndicate - May 1 2023
- Eugene Sheffer - King Feature Syndicate - Dec 8 2022
- L.A. Times Daily - Nov 16 2022
- L.A. Times Daily - Jun 17 2022
- Eugene Sheffer - King Feature Syndicate - Jan 27 2022
- New York Times - Apr 5 2021
- Eugene Sheffer - King Feature Syndicate - Feb 8 2021
- Eugene Sheffer - King Feature Syndicate - Dec 3 2020
- L.A. Times Daily - Nov 3 2020
Related Clues:
- Chemical in biodiesel factories
- Caustic 'Fight Club' substance
- Oil partner in soapmaking
- Drain-opener ingredient
- Soapmaker's caustic need
- Drain cleaner chemical
- Caustic fluid
- Soap ingredient, once
- More common name for caustic soda
- Strong drain cleaner
- Alkaline solution
- Caustic drain-opener
- Grease dissolver
- Corrosive cleaner
- Strongly alkaline solution for washing or cleansing