1 (6 oz) can frozen lemonade, thawed
1 (6 oz) can frozen limeade, thawed
1 (20 oz) can pineapple chunks, undrained
2 cups water
2 litres cherry soda, chilled
2 litres, ginger ale, chilled
lemon & lime slices, optional

in a blender, combine concentrates and pineapple; cover and blend until smooth. pour into a gallon-size container; stir in water. store in the refrigerator. to serve, pour the mixture into a punch bowl; add cherry soda and ginger ale, and garnish with lemon & lime slices, if desired.

makes about 6 quarts