Watermelon Punch

Directions

1. 1
   In a blender, pulse the watermelon until smooth.
2. 2
   Push it through a fine-mesh sieve.
3. 3
   You should have at least 1 1/4 cups of juice.
4. 4
   In a pitcher, combine 1 1/4 cups of the watermelon juice, the lime and lemon juices and the sugar.
5. 5
   Whisk until the sugar has dissolved.
6. 6
   Refrigerate until chilled.
7. 7
   Add the chilled seltzer and stir gently.
8. 8
   Serve over ice.