How do you make fog in a cauldron?

How do you make fog in a cauldron? Dry Ice and Cauldron Size Place the cauldron near a window to ensure some ventilation in the room. Use about 1/2 gallon of water to each pound of dry ice for the best results. If you add too much or too little water, it doesn’t make as … Continue reading How do you make fog in a cauldron?