1 (2 liter) diet lemon-lime carbonated beverage
1 (46 oz.) can unsweetened pineapple juice
1 (.23 oz.) envelope any flavor sugar-free soft drink mix or 1 (2.1 oz.) tub low calorie, sugar-free drink mix

Wire whisk 2 to 3 cups lemon-lime beverage with dry ingredients. Add other ingredients. Mix and chill.

Makes 1 gallon.