- 4 ice cubes
- 2 tablespoons gin, or to taste
- 2/3 cup grapefruit juice, or to taste
- 1 tablespoon lemon juice
- 1 tablespoon lime juice
- 1 cup club soda
- Place ice cubes in a cocktail glass. Pour gin over ice cubes; add grapefruit juice, lemon juice, and lime juice. Top with club soda and stir gently.