I am also told that you can 'tune' the light system to your prefered 'max output' color temperature. This is done when you buy it by specifiying more blue LEDs or less to adjust the system between 6500K and 20000K. I'll probably order a set up near 12000K, if I buy these.
Further, the photoperiod controller is built in for daylight and moonlight, including moonlight control with a lunar month's night-by-night photoperiod control.
It looks to me that, for a new setup, there is a number of items you wouldn't have to buy if I use this lighting system; for example, light controller and chiller. Also because of the way the lights are positioned in their mounts you don't see the direct light, so it could eliminate the requirement for a hood. At least it would simplify the hood a lot.
My concern is the end result of the lighting; i.e., its quality. That is what has me stymied so far. I don't have any independent insight into this performance issue.
fab