Doug,

I use all three.
Some of my orchids like a little less light than the MH and HPS put out.

Bob
"Doug" wrote in message
...
I started with florescents. Eventually replaced them with a 400 watt metal
halide. Now I have 2 mh. Won't go back to florescents.

Doug Bolton

On Sun, 13 Feb 2005 13:43:55 -0600, "Bob Walsh"
wrote:

Barry,

How big an area do you have for growing or do you have to stack on
shelves.
If you can spread "out" maybe one of the metal halide or high pressure
sodium lights would work.

Bob