This unusual but wonderful water kefir also makes a great slushy, just whirl it in a blender with ice.
- 3-1/2 cups water kefir
- 1/8 cup pineapple juice
- 1/8 cup orange juice
- 3 Tbsp. lime juice
- Pour the water kefir into airtight bottles, dividing it evenly between two or three bottles.
- Using a funnel, divide the pineapple, orange, and lime juices evenly between bottles.
- Cap the bottles and second-ferment 1-3 days, depending on the desired level of carbonation.
- Place the bottles of flavored water kefir into the refrigerator and serve chilled.