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Related Clues:
- It makes soap strong
- Ingredient in some cakes
- Corrosive stuff
- Acid-neutralizing compound
- Soap stuff
- It turns litmus blue
- Caustic solution
- Granny Clampett's soap ingredient
- Corrosive liquid
- Potassium hydroxide
- Cleaning agent
- Old-time soap ingredient
- High-pH chemical
- Soap compound
- Strong soap ingredient