Ruby Red Punch

1 (46 oz) can pineapple-grapefruit juice

1/2 cup sugar

1/4 cup cinnamon candies

1 quart ginger ale, chilled

In a large saucepan, combine pineapple-grapefruit juice, sugar and candies. Bring to a boil and stir until candies dissolve. Cool until time to serve, stirring occasionally, to completely dissolve candies. Add ginger ale just before serving.