1 (6 oz.) can frozen orange juice
1 (6 oz.) can frozen lemon juice
1 qt. (14 oz.) can grapefruit juice
2 qts. ginger ale
1 c. sugar

Combine orange juice with 3 cans water and lemon juice with 3 cans water. Mix together with grapefruit juice. Freeze until mushy. Chill ginger ale. Combine with frozen juices, add sugar.