An introduction to Got Fog? and how it can help you with
your Halloween Celebration.
HOW THEY WORK
Take a trip into the inner workings of a fog machine to see
how they work.
FOG MACHINE FAQ
The largest fog machine frequently asked questions resource
on the Internet.
Buying tips and product reviews for a variety of fog
TIPS & TRICKS
Basic ideas and tips for using a fog machine for Halloween.
A variety of how-to projects to enhance the effect of you
FOG MACHINE SAFETY
These safety tips will help keep your Halloween festivities
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MY FOG CHILLER COOLS THE FOG, BUT NOT AS MUCH AS I'D
problem is that even going through the chiller, the temperature of the fog may still be
higher, or close to the temperature of the area the fog is being used in. This means it
may still raise, although much slower. You can use dry ice instead of
regular ice in your chiller to cool the fog down even more, but dry ice is more expensive
and requires careful handling. Or, you can raise the room temperature (hard to do
CAN I USE A
FOG MACHINE INDOORS - SUCH AS FOR A PARTY?
While we can't speak for every fog
machine on the market, we have never seen one that could not be used indoors. But, there
are a few things to remember. If you use a lot of fog you will get a very thin film of fog
fluid residue on everything in the room, including people. My wife says it moisturizes her
skin. Most fog fluids are made of glycol (kind of like mineral oil) and water, so it
shouldn't do any damage, but feels sticky. If you have expensive furniture, etc., you make
want to remove it or use the fog machine in a different room.
HOW MUCH NOISE DO FOG MACHINES MAKE?
Fog machines do make some noise while they are
generating fog. Actually, there are two sounds. The sound of the pump as it moves fog
fluid from the reservoir to the heat exchanger, and the sound of the fog coming out of the
nozzle. Like everything else, the more expensive ones are generally quieter, and the less
expensive ones louder. That's not to say that inexpensive ones sound like a freight-train,
but you can hear them. If you want your fog machine to be quieter you can build a wooden
shroud to help absorb the sound (we'll be publishing a how-to article fall 2002). If you
are going to use a fog machine in a situation that requires extremely quite operation,
such as in a theater, you may need to go with a professional model or use a true dry ice
WILL THE FOG SET OFF SMOKE DETECTORS
OR SPRINKLER SYSTEMS?
Yes, no, maybe! It is possible that the small
water-based particles could set some types of smoke detectors off. Usually, this is only a
problem with optical type detectors, because they sense these particles as smoke. We
always run a test with the fog machine(s) when used indoors to see if this is a problem.
We don't recommend disabling smoke detector(s), but if you consider this, you should
contact your local fire marshal and insurance company for advise. Sprinkler systems on the other hand are usually triggered by heat,
so the fog in the air won't active heat-activated sprinkler systems.
DO I CLEAN THE FOG MACHINE AFTER USE?
This depends on the particular fog
machine. For instance, with Visual Effects brand of fog machines you should empty the fog
fluid tank (this is were the removable tank really comes in handy), but NOT
run the machine to remove the fluid from the system. The fluid left in the machines system
acts as a lubricate for the moving parts. Then store the machine in a cool, dry place.
All fog machines are prone to clogging due to
the thick consistency of the fog fluid they use and the high temperature at which it is
vaporized. Manufacturers of other machines sometimes recommend that after using their fog
machine, you need to clean it out thoroughly by running distilled water through it for a
couple of minutes to flush out the fog fluid, then store in a cool, dry place. Only use
the manufacturers cleaning instructions, or you'll probably void your warranty and could
even damage the machine. But, a properly maintained fog machine, using the manufacturers
fluid should provide years of reliable use.
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Fog Machine FAQ Pages