Related Clues:
- It's obtained by leaching
- What real lutefisk is soaked in
- Solution for a clogged drain
- 'Fight Club' chemical
- Caustic used in soapmaking
- Leaching solution
- Caustic agent in soap
- Lutefisk-curing need
- Oven-cleaner ingredient
- A strong alkaline solution
- It's so caustic it's just not true, by the sound of it
- It does not sound true that this can make one caustic
- With a pound of this you may become caustic.
- It's caustic to sound so deceitful
- It does not sound true that this could be so caustic