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You could aim for better energy efficiency with that many cobs. Bunch them closer together but run them much softer.

+1 for what the others said. Try to sell the blurples if they are in good condition and go DIY with some COBS(citi, vero, cree) or led strips(samsung) - either provide similar efficiency

Wicked setup dude, what are you going to do with your cobs? You could wire loads of them onto one driver and have a super efficient veg light...

@Warpedpassage So the efficiency the fixtures provide can be achieved at home on a DIY level using the same diodes?

DIY is easy with cobs, done it myself and saved thousands Or you could give your money away on a overpriced pre assmebled kit from some of the names mentioned in smokebros posts. Also gradual experiment like you said is a good idea, build as you go.

I been away from the LED scene for a while and noticed cobs and EB-type strips are doing very well, something I expected, but I also see people are still paying out fortunes for BML Spydr/Fluence Vypr LEDS - Why? What is the actual efficiency differences between these fixtures? I wouldn't have...

crickey... gen 1... so old the link was archived.

Wow what generation is that CITIZEN 3500K 54,9V CLL040-1818A5-353H1A7 cob?

Looks nice but overpriced, however I fail to see the point in having 1 monolithic grow light, I went with cobs to spread the light equally, that fixture will benefit the plants all differently depending on positioning.

I am a UK LED guy - or should say COB guy, been using COBS for months now and am VERY happy with them, will never go back to HPS streetlight technology. The reduced heat benefits are worth the switch alone.

@Dreddd The size of those things are more like pumpkins

@Budzbuddha What reflectors and cobs are those in the pic?

@Rolla J Nice DIY light, what brand are those strips?