In a large pitcher, combine the lemon juice and Splenda^© until completely dissolved. Add 5 cups water and refrigerate mixture for at least 1 hour. Stir and pour over ice in tall glasses.

Calories:  10; 0 mg fat, 0 mg cholesterol; 1 mg sodium; 10 g carbohydrate; 0 g fiber; 0 g; protein; 3 mg calcium