Related Clues

• Not basic
• Like sour grapes
• Sharp
• Vinegary
• Like vinegar
• Biting
• Tart
• Like grapefruit juice
• Like orange juice, say
• Having a low pH
• Bitter-tasting
• Like vinegar or grapefruit juice
• Tart to the taste
• Like orange juice
• Like citrus juices
• Like lemons
• With a low pH
• Like lemon juice
• Low-pH
• Low pH