Just wanted to thank you for sharing this post. That Hobby Lobby store sells an HPS Ballast Companies (i have a few beaters) version of an LED. Haha! And its exactly what I've been looking for as for design to replace my Horizon strip lights (dying out) in veg. As well as supplemental in flower. Gonna get new strips to insert in the Horizons eventually, but till then, I'm Digging these.
Lumatek Attis 300W LED Product Details: The Lumatek Attis 300W LED grow light perfect for a 1m2 grow area. Providing a uniform spread of light without hot spots using a passively cooled system - which means no need for a noisy fan. Consuming only 300W of the fixtures produces 690 µmol/s PPF at...
www.hydrohobby.co.uk
Only 1.3$/w , Protective Covers, LumLed + Osram, includes IR, Dimmer, looks decent enough.
Not sure what K-Temp they're using as a base. Looking like 4k which is not my preference so thinking of contacting someone to see if its available in A 5K Base. If not ill run it with 65K around it.
More companies should offer these prices.
Been toying with the idea of a square strip build starting w/ 1' strips & moving up to 4'.
I think a design like that would give even more uniform distribution then the Parallel Bars, QB's, or COBs.
Anyways! Those Used Spectrum Kings will get the job done just fine. 440w single disks? Wow! Must be Bright AF!