Related Clues:
- High-pH hydroxide
- Soap maker's need
- Harsh cleanser
- Strong alkaline solution
- Hydroxide solution
- Soap component
- Drano component
- It's obtained by leaching
- What real lutefisk is soaked in
- Solution for a clogged drain
- 'Fight Club' chemical
- Caustic used in soapmaking
- Substance with a pH higher than 7
- Leaching solution
- Caustic agent in soap