Homemade Sweet & Sour Mix [1]
From Bon Appetit [2] magazine

3 cups water
3 cups sugar
2 cups fresh lemon juice
2 cups fresh lime juice

1. Combine water and sugar in large saucepan. Stir over medium heat until sugar dissolves. Bring to boil. Cool syrup.
2. Mix syrup, lemon juice and lime juice in pitcher. Chill until cold. (Can be made 1 week ahead. Cover; keep chilled)