Related Clues:
- 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
- Candle-making material
- Caustic used in soapmaking
- Leaching solution
- Caustic agent in soap
- Lutefisk-curing need
- Burned-wood byproduct
- Oven-cleaner ingredient
- Powerful alkali from burnt wood