Ghoul-Ade For Halloween

1 envelope grape flavored unsweetened drink mix
1 envelope orange flavored unsweetened drink mix
2 cups granulated sugar
3 quarts cold water
1 (32-ounce) bottle ginger ale, chilled

1. Combine drink mixes together with sugar in a large pitcher. Add water and mix. Refrigerate.
2. Just before serving, pour into punch bowl and add ginger ale.

Makes about 20 1/2-cup servings.