2 1/2 c. cold water
1 (6 oz.) can frozen orange juice concentrate
1 (6 oz.) can frozen lemonade concentrate
2 (16 oz.) bottles citrus carbonated beverage or 7-Up
Crushed ice

Combine water, juice mixes in blender. Cover and blend just until mixed. Pour in citrus beverage. Stir gently to mix. Serve over crushed ice.