Serves 20 (in a 10 oz. rocks glasses, filled halfway with ice)
1 ½ cups lime juice (such as Nellie & Joe’s Key Lime)
5 cups 100% white grapefruit juice
1 ½ cups agave nectar
8 cups club soda
2 limes, for serving
In a gallon jug (using a funnel), pour in lime juice, white grapefruit juice and agave nectar. Place cover on a jug and swirl until agave nectar dissolves. Right before serving, gently add club soda, cover the jug, swirl again and pour into a serving pitcher or punch bowl. Garnish with sliced limes and serve ice on the side.