Lime Ice Cubes

We tested this recipe with limes and lemons. You can replace it with an equal amount of lemons and lemon juice.
Slice each lime into 1/4-inch thick slices; cut each slice into 4 wedges.Mix 1 liter of cold water and 1/4 cup of lime juice. Evenly fill each compartment of the 3 ice cube molds with the lime juice mixture. Place 1 lime wedge in each ice cube tray. Freeze for 8 hours or until they are firm.