I plan to go with the cheap lm561c boards and use a hlg 600 per 4 boards so 150 watts or so each.
Room is 10x11 and planning on doing 2 4x8 flood and drain setups.
I have 2 6 bar light fixtures that are 450 watts I plan to put in the middle and then run at least 8 of these boards, 2 on each...