1 to 10 refers to the adjustable hardness of ice cream. The bigger the number, the harder the ice cream, and the smaller the number, the softer the ice cream. Usually adjusted to 5. The specific situation depends on the climate, room temperature, machine heat dissipation, machine use time and other factors.

For the soft ice cream machine, there are few models that can directly adjust the temperature, which can be set to -7 degrees; Look at the molding degree of ice cream and make corresponding adjustments. If it is too soft, adjust it to -8 degrees, if it is too hard, adjust it to -6 degrees.