Fresh Citrus Cooler(Spa Drink)  
["1 c. fresh orange juice", "1/2 c. fresh lemon juice", "1/2 c. fresh lime juice", "1/3 c. sugar", "1 c. lime-flavored sparkling water, chilled", "lime wedges (optional)"]
["Combine first 4 ingredients in a pitcher; stir until sugar dissolves.", "Add chilled sparkling water; stir well.", "Serve immediately over ice.", "Garnish with lime, if desired."]
["orange juice", "lemon juice", "lime juice", "sugar", "lime-flavored sparkling water", "lime wedges"]