Stir gin, grenadine, and powdered sugar with ice and strain into a highball glass over ice cubes. Fill with carbonated water and stir. Decorate with the pineapple chunks and the strawberries and serve.
Stir gin, grenadine, and powdered sugar with ice and strain into a highball glass over ice cubes. Fill with carbonated water and stir. Decorate with the pineapple chunks and the strawberries and serve.