Pink Grapefruit Sparklers

• 1 bottle pink grapefruit sparkling ice
• 1/2 cup cranberry juice
• 1/4 cup lime juice (or fresh lime juice and a dash simple syrup or agave nectar)
• 3 envelopes plain knox gelatin
• lime zest for garnish, if desired

1. In a saucepan, sprinkle cranberry and lime juices with gelatin. Allow to soak for a few minutes. Heat on low, stirring constantly, until gelatin is fully dissolved (about 5 minutes). Stir in the Sparkling ICE making sure to fully incorporate. Pour into pan or molds, and chill until set, several hours or overnight.
2. To serve, cut into desired shapes. Garnish with the lime zest.