Have 4 blueberry's going under 4 qb120 3000k, 2 qb288 3000k, 4ea warm white cheap cobs 100 w run at 50, 4ea full spectrum cheap cobs 100 w run at 50. That's the overhead lighting, also on the lower walls are 10ea 36", 18 w ebay grow light fluorescents. Ditched the Kind 750 but got $550 for it so...