2 (6 1/2 oz.) sparkling mineral water, chilled
1 (12 oz.) can peach nectar, chilled
1/2 c. unsweetened orange juice, chilled
1/4 c. unsweetened grapefruit juice, chilled
2 tbsp. lemon juice, chilled

Combine all ingredients in a large pitcher, mix well. Pour over ice cubes in serving glasses.