Related Clues:

• Bite
• Grapefruit juice property
• Milk of magnesia target
• Bitterness
• Sourness
• Basic chemistry subject
• What pH measures
• Tartness
• Sour character
• That's one way to get aid to the city
• pH measure
• Corrosive quality
• Sourness (of taste)
• Sourness, sharpness
• Detective stifled by a town's bitterness