Ray, pertaining to your situation you might find my post on this thread useful:
http://www.rv-orchidworks.com/orchid...e-reasons.html
Oh and for his lighting, he is using all LEDs. The LEDs are in 4ft tubes like the standard shoplight fluorescent tubes. As I recall he uses a ratio of 2:1 or 2:1:1 white to red & blue. (I can't remember if the red and blue LEDs are mixed in one tube or if it is a tube of red and a tube of blue.) He said that the white tubes are brilliant enough to easily dispel the purple "alien" appearance one would otherwise wind up with.