2 (6 oz.) can frozen limeade
1 (6 oz.) can frozen lemonade
1 (6 oz.) can frozen orange juice
1 (4-5 qt.) bottle rum
4 c. 7-Up

Combine concentrate with 8 cups water. Chill. To serve, combine this mix with rum in punch bowl. Carefully pour in 7-Up. Makes 30 five-ounce servings.