The fluid keeps what it promises: Very dense, white fog that hangs in the air a long time. When used in the home, one should remember that the smoke just something smells like "burnt oil". So always pay attention to the ventilation. Since the mist is warm, the cloud rises naturally and fogs the whole room a - here might be the additional use of "Chillers" (ie a part that the fog "cools" attached Should I tinker times for next Halloween.. Then you should get such a beautiful ground fog effect. Incidentally, very productive. Consumption is much lower than I thought. Highly Recommended.