Serves: 1

Grapefruit juice 1 oz
Orange juice ½ oz
Lemon juice ¼ oz
Gromme syrup ½ oz
Soda water to top
Salt
Mint garnish

Preparation:
Shake all the ingredients, apart from the soda, in a shaker. Strain into a highball glass filled with crushed ice. Stir in the soda. Garnish with mint.

When:
Any time

How:
Long

On the base of:
Juice