2 (3 oz) packages lemon Jello
13 cups water
2 (46 oz) cans unsweetened pineapple juice
1 (3 oz) package orange Jello
4 cups sugar

Mix together lemon Jello, orange Jello and 9 cups water. Bring sugar and remaining 4 cups of water to a oil and take off heat. Mix the Jello and water mixture with this. Add juice to this mixture and freeze in containers. Will be good for at least 6 months in freezer. When ready to serve add 7 UP to taste.