Fog Machine Tips

[tacomanmcjab]

i'd love to know how they make the 'toxic' dark green colored fog that features in Dr Who and other TV shows every so often... i'm sure they were doing that long before digital after effects were added to television...

it's just that i can't picture a gas that is coloured ... i can't think of any - can sulfur (yellow) exist in a gas form?

yes, of course it's poisonous, i know that!

Have you ever heard of a smoke bomb?

 

[Hemlock_Mike]

I think that much of the colored smoke is of pyrotechnic source. Colored smoke grenades are available and when blown through a tube can look like a fogger.

Mike