Racy Red Punch

2 (46 ounce) cans pineapple grapefruit juice
    (3 cups reserved for ice ring)
1/3 cup red cinnamon candies
1/3 cup granulated sugar
1 quart ginger ale, chilled

Heat 1 cup pineapple grapefruit juice with cinnamon candies and sugar. Stir until dissolved. Combine heated mixture with remaining pineapple grapefruit juice; chill. Add the ginger ale just before serving.