1/2 gallon water
4 c. sugar
46 oz. can pineapple juice
46 oz. can pineapple grapefruit juice
46 oz. orange juice
1 bottle ginger ale

Boil water and sugar. Add all liquids except ginger ale. Freeze in plastic container. Thaw about two hours before time to serve. Add one bottle of cold ginger ale when ready to serve.