Related Clues:
- Old soap ingredient
- Soap-making stuff
- Corrosive chemical
- Drain cleaner
- Industrial-strength cleaner
- Lutefisk soaking agent
- Soap-making need
- NaOH solution
- Soapmaking solution
- Oven cleaner ingredient
- Corrosive cleanser
- Solution in soap and frosted glass
- Sodium hydroxide solution
- Caustic potash, e.g.
- Drain unclogger