Tropical Punch
["1 (46 oz.) can Hawaiian Punch", "1 (6 oz.) can frozen concentrated orange juice", "1 (6 oz.) can frozen concentrated grape juice", "6 c. cold water", "1 qt. chilled ginger ale (add just before serving)"]
["Serves 25 to 30."]
["Hawaiian Punch", "orange juice", "grape juice", "cold water", "chilled ginger ale"]