Related Clues:
- Drain-opening stuff
- It turns litmus paper red
- The ''A'' in DNA
- Agent for many a trip
- Carbolic ___
- Compound with a low pH
- Hydrochloric --
- Substance with a low pH
- Beginning to a bad rain?
- Oven cleaner component
- Dripping with sarcasm
- Kind of rock or jazz
- Battery content
- Low-pH compound
- Test or rock lead-in