New LED Lamp

[Jayfar]

Originally Posted by Orchid Whisperer

@Ray (but others feel free to chime in)

To adequately light a growing space (shelf) that is 20 x 64 inches, how many of these lamps would you need? How high above the leaves should they be suspended? How should they be arrayed?

To keep it simple, let's assume everything on the shelf needs Phalaenopsis type light.

Thanks!

I'd say 2 would be adequate, but 3 better. I have one 13W Ray's LED suspended 20" above a 20"x28" table of Phals and they seem to be growing nicely, although they also get some spillover light from a large terrarium behind it and southern windows about 4 feet behind it to the right and left.