Put your ice in the glass, pour over the gin and soda.
Garnish if you want to. Serve immediately as cold.
Video
Notes
Tip: You can freeze grapefruit soda in ice cube freezer bags. This keeps the flavor for longer and the drink does not get watery tasting. Perfect for hot summer days. Soda is the same as grapefruit softdrink or pop. Brands to use are for example; Squirt, Fresca, Izze, Polar.