I need help, why so much stretch?

[EclecticJack]

@dbrn32 I know I’m going to be thinking over my head, but do you think I could build a light based around 4 of these boards…

With one driver based upon this build by @MAXHeadRoom

BUD LIGHT The Quantum Board Build

So being a first time grower the first thing I did was go to the bay and buy the cheapest lights I could find. I patted myself on the back for getting such a great deal. Then upon investigation I realize I purchased a bunch of Chinese junk. All the manufactures over rate there products and the LEDs that they are built with are old technology from 2014. Even US companies where doing it. What to do what to do? So while investigating a new light that I needed for flowering I ran into this guy who w…

Which is based upon the HLG 550 I believe

HLG 550 Assembly and Testing (4x Quantum Boards on 1x HLG-480H-C2100B)