in large sauce pan combine water, sugar , and gelatin. bring to boiling, stirring to dissolve

place undrained peach slices in blender. cover, blend until smooth

in extra large bowl combine gelatin mixture, pureed peaches, peach nectar, and lemon juice. divide mixture among 4 1qt containers. cover and freeze overnight

to serve, place container at room temp for an hour, break chunks with large fork. place in punch bowl, stir in 2 bottles of ginger ale per container of peach mix until slushy