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perfect, I think i will go full passive just to reduce wiring and power consumption. With that in mind and with your suggestion for a thicker base plate, how does this one sound(heatsink usa link)? Ive been using the HeatsinkUSA Calculator on this forum to calculate the needed length to go...

Any recommendations on another profile? Maybe 5.886"? Thats what i use with my 210w 4x cxb3070 temps were always good. But id like to go 36" in length to cover the tent as well as possible. Thanks for all the help!

Yes sorry if not specified but these are the 50v COBS(from cobkits website), hmm i like the idea of active, so 3x 120mm fans powered on 1x ap1212 driver should be fine for each panel?

One final check-in before i bite the bullet and start building, heres my current list, running each panel with 3x CXM-22 and a HLG-185H-48A(225w) will a 4.850" x 36" Heatsink from HSUA be sufficient? Any thoughts on Active vs Passive cooling? will Active cooling help keep the Ambient temperature...

Is there any examples here of a Luminus cxm-22 grow? I tried searching through but couldnt find much.

Are CXB3070's still worth it at that price point compared to other options? I feel like they are a bit outdated. I do like the idea of building lots of smaller lights though, at least then spacing can be messed with during the tent setup.

Glad to hear, thanks for the report! I think i want to do 4x qb288's at around 100w each. That leaves me around 800-900 watts of cxm22 to fill in the rest. Now to figure out an optimal layout and profile to use from heatsink usa. Any thoughts?

I noticed HLG just got more QB boards in stock, any thoughts on how these would do combined with some cxm22 , like i said i want a 4x8 area covered that can do Veg and Flower well. Are the QBs intended more for vegging?

How reputable is Luminus? Ive honestly just heard about them a week ago reading through threads. At that price i imagine there must be some compromises made. Thanks for your help so far though, any opinion or input is greatly appreciated.

Any particular LED/driver setup you recommend to reach that? I havnt been keeping up with LED tech much, but have skimmed some of these threads of what people use now.

My current setup features a 5sqft grow tent (20"x36"),2 gen hydro waterfarm(DWC) buckets, lit by 4 CXB3070 3000K & Angelina Reflector powered w/ HLG-185H-C1400B which comes out to 210w at max power. I would like to expand and instead move this light into a new grow tent of...