In a large saucepan, combine sugar and 2 qts. water. Cook and stir over medium heat until sugar is dissolved. Remove from the heat; stir in soft drink mix. Cool completely.
Just before serving, divide the syrup between two large containers or punch bowls; add the concentrates, pineapple juice and remaining water to each. Stir in ginger ale. Yield: 3-3/4 gallons.
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