7 cups (1.7 liters/1.8 quarts) cold carbonated water
1 cup (225 grams/7.9 ounces) granulated sugar
1 package of lemonade-flavored Kool-Aid, or similar powdered drink mix
Pour the carbonated water into a 2-quart pitcher.
Add sugar and Kool-Aid or drink mix. Stir thoroughly.
Serve chilled over ice, if desired.