Related Clues:

• H2SO4 and such
• Base antagonists
• Certain vitamins
• Caustic soaps
• Etcher's supply
• Chem lab collection
• Caustic stuff
• HCl and others
• Caustic chemicals
• They have pH's of less than 7
• Boric and citric
• Corrosive liquids
• Lab liquids
• Caustic cleaners
• Cause of stomach problems, sometimes