2 (6 oz.) cans cranberry juice concentrate
2 (6 oz.) cans pineapple juice concentrate
2 liters Ginger Ale

In pitcher combine cranberry juice and pineapple juice concentrates. Mix with 12 juice-size cans of Ginger Ale (you will have a little Ginger Ale left over). Stir. Add ice cubes. 12 servings.