GrowTutor

I highly doubt any of those diodes are cree/b-lux, even so they won't be top group/bin. Without a closeup to confirm, I bet their mostly epistar?/epiled in that cheap fixture with abysmal efficiencies. I agree, when it comes to cash crops, don't skimp on lighting. if lettuce/microgreens is your thin...

Efficiency matters :D ...............the fact that 150w hid(one of the most inefficient HID systems too) beats this POS led fixture is due to the cheap generic encapsulated leds used with efficiencies in the teens or worse. Welcome to 2015 with top bin cree cxb cobs hitting 50% + , even giving DEhps...