Hi! I agree Peter. What you state is exactly what I meant: The the process are very different.... Cheers Gael > Peter wrote: > Not the ones I mean. The ones I mean are installed in decorative ponds of > floated on a lake to generate low-lying mist onto which laser light s(and > also normal beam lights) can project images such that the beam(s) are > visible. > > Re: glycol, it's actually an oil and it's not very very healthy as far