RE: OT: where to hire smoke generator

[Anders Frihagen <anders@xxxxxxx>]

At 17:14 14.10.2001 +0100, you wrote:
>Dry ice sounds like it will give the desired effect, but I am a little
>concerned about the amount of ventilation required. I can certainly
have a
>couple of small windows and both doors open in the room that I want to
have
>the effect, but there are no large windows or doors to the outside that
>could be left open. I'm not concerned about the handling of it, I did a
>chemistry degree and we handled plenty of dry ice as well as stuff like
>liquid nitrogen which is even more fun! But killing 20 six year olds is
>probably not the best policy for the party (however tempting it might
be!)
>so I do need to be sure on the ventilation side. I would expect to only
turn
>the unit on from time to time (possibly automated or at least on a
remote
>control) and there will be plenty of air circulation with kids running
riot
>through the whole of the ground floor (5 reasonably large rooms). What
do
>people think?

I would just like to mention how a fog machine works:
1 . You boil water
2. the steam is passed over dry ice
3. It codenses and make a fog.

There is very little CO2 released, it is the water that makes the fog...

Anders


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