Combine grapefruit juice, 1 cup pomegranate juice (extracted with the thinkkitchen Citrus Reamer), sparkling water, vodka, campari & grapefruit slices (the Laguiole Knives make a great tool for cutting citrus) in the Flare Pitcher. Stir gently.
Fill your Flare Old Fashion glasses 1/2 way, leaving room for 3 tbsp pomegranate juice. Slowly add pomegranate juice and allow it to sink to the bottom, forming a gradient effect.
Recipe Notes
MOCKTAIL OPTION: Replace vodka with 1/2 cup sparkling water and 1/2 cup grapefruit juice.