DIRECTIONAL FREEZINGOur Antarctic Clear Ice Maker helps you create crystal clear ice spheres or cubes in 24 hours via directional freezing. The design was engineered to force water to freeze from the top down pushing impurities down into a reservoir tank below the ice molds.SIMPLICITYSimply fill the reservoir tank up with tap water, freeze for a 24-30 hours, and impress friends and guests with classier cocktails. No need to mess with boiling or purified water, the design removes the impurities for you during the freezing process.CLEAR ICE DIFFE