Two 12-ounce cans Italian grapefruit soda, such as San Pellegrino Pompelmo
Ice cubes, for serving
Grapefruit wedges, for garnish
6 highball glasses
Chill 6 highball glasses in the freezer. Combine the vodka, Aperol and grapefruit juice in a large pitcher. Pour in the soda and stir gently. Serve over ice in the chilled glasses, garnished with grapefruit wedges.