In a 2-cup glass, measure combine orange juice, grapefruit juice, lime juice, and honey. Stir until honey is dissolved. Cover and chill mixture for at least 2 hours or up to 24 hours to blend flavours.
To serve, pour juice mixture into four champagne glasses. Add sparkling water and stir lightly to mix. If desired, garnish with citrus peel strips. Makes 4 (3/4 cup each) servings.