This fog machine is based around dry ice, so you’ll need to source that from an external supplier. The machine consists of a closed container filled with hot water, inside which is a movable ...

The gas is pressurized and cooled to form a liquid in large metal molds, then frozen and cut to create blocks or pellets of dry ice that measure in at around -110°F (remember form third grade ...

Given the cost and effort involved in producing it, just buying dry ice at the local store looks like it’s still the way to go for your Halloween fog machine this year. But it’s a fascinating ...