Ruby-Grapefruit-and-Campari Ice Pops

Directions

1. 1
   In a small saucepan, combine the water, sugar and zest and bring to a simmer, stirring to dissolve the sugar.
2. 2
   Pour the syrup into a bowl and add the grapefruit juice and Campari.
3. 3
   Refrigerate until chilled.
4. 4
   Pour the mixture into six 1/2-cup ice-pop molds and freeze overnight.