I have phals directly below a 400w MH unit without any problem. Of course,
they are 4' below and in the shadow of other orchids above. You can't waste
the shadow areas cast by the higher light orchids.
________________
Ken Woodward
Newton, MA
http://kwoodward.net

"Geir Harris Hedemark" wrote in message
...
Rob Halgren writes:
I see there are people dealing in hydrophonics in the UK as well. That
might be a way to go, with a 3-phase mounting kit from my local
lighting pusher.
Missed the UK connection. If I recall properly, Hydofarm

Norway, actually. Right now, we have 7 hours of daylight here. No
quite enough for anything.

it). UL listing isn't sufficient in Europe? *grin* I've seen some neat

It is until the house burns down.

death... Three feet away? Probably about right. But, if you are
worried, you can get smaller MH systems. I have a 100W, two 200W and
two 400W in my grow room right now. With an 800W dual HPS/MH in a box

I already have a 75w fixture. I was told that it would be far too
bright for everything in a room people wanted to stay in.
He was wrong. It is now mounted 50cms from my ascocenda, and I am
still only at 10k lux.

Geir