A cup of cold branch water, triple filtered, extra dry. Bring it to a rolling boil- in a moment you'll see why. Pour it into ice cube trays and place it in the freezer This recipe is tried and true- obtained from an old geezer.
Wait two hours, then remove the ice cubes from their tray. Notice they are crystal clear, never cloudy cracked or grey. Place some in a six ounce glass making sure that none are wasted then add a single malt and sip the best ice cubes ever tasted.