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Yup

I figured more people would pick a number . 77 it's brought me luck before. By the way that was a awesome looking grow.

Another flawless order from Mr cobkits. Now it's time for the fun part. Thanks

That's kind of what I was thinking, figured I would ask to check. thanks for the help folks.

@CobKits I have a hlg-120h-48a can I run 2 gen5 1818's and 2 cxm22 gen3 off that driver? Or is the voltage to different between the chips?

I'm running cities 1818's at 75 watts and I have tops 6 inches away without bleaching. I also have cxm22 chips so far the plants are digging them . I don't think I can post pics yet.

Daily light integral I can't post links but Google has the answer.

As long as you keep your junction Temps down they will take the power. I'm using 1818's at 75 watts each now with a case temp of 35°c ( active cooled) . They max out at 250 watts the key to life span is running them cool. Most run them low wattage cause they are easy to cool an gain efficiency...

I think this is what your looking for. I saved a link when I found it. http://rollitup.org/t/cheap-and-cheerful-diy-using-citizen-cobs.909460/page-13#post-12802292