DC advance the filled drinks must be strong sugary, otherwise it does not work unfortunately. So do not use sugar-free drinks with no sugar substitutes. Best to go really normal soft drinks, such as cola or iced tea. Good going, many types of fruit juices.
Important are two prerequisites: The Magic Freez must very well be frozen (! Preferably overnight) and also the drink should already be well cooled, because it does not work given at room temperature.
The application is then actually very simple. Take cups from the freezer, add to drink immediately and wait for first 2 minutes (do not knead). Only then the cup is properly kneaded, until the desired strength. The lid on leave, which increases the amount of slush on. Auslöffeln with the spoon and finally wash the cup and again put in the freezer for the next portion.
Works well with the way the finished dairy products (milk vanilla or cocoa).