Make sure all ingredients are well chilled.
Fill glass 1/4 of way with ice.
Fill with cranapple juice just to 1/3 way up.
Place in freezer for 30 minutes or until ice layer has formed on red layer.
Fill to top with ice
Gently fill with pina colada by pouring over the back of a spoon to 2/3 way up.
Place in freezer for 20 minutes or until ice layer has formed on white layer.
Gently fill with G2 by pouring over the back of a spoon rest of way up.