Hmm, I have seen bags of pine bark at the garden centre over here, but the pieces of bark are a LOT bigger...
I will have to look around to see if I can find anything similar to what you are using
Great article about the grow shelves, Becky! Looks véry professional
They do sell all kinds of growing lamps etc over here, but I'm not sure how much (many?) Lumen DL's need..
And what do you mean by "one cool light and one warm light"?
Mayo
