Banana Punch

6 cups water
3 cups pineapple juice
3 cups frozen orange juice concentrate
2 lemons, juice only or 1/4 cup ReaLemon
3 large bananas
3 1/4 cups granulated sugar
2 large bottles of ginger ale

Mix all ingredients except ginger ale and freeze. Remove several hours before needed so that it is a slush when ready to serve. Add ginger ale just before serving.