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what was the question please?

Who will volunteer to fire one up and shine it in my direction, I don't think distance too the canopy will be an issue with this bad boy.

See page 1 for passive cooling info https://www.rollitup.org/t/heatsinks-for-diy-led-lamps.851907/

I am missing from your list but included in @bryleetch, thanks. I am in your second list at #8 dloomis514 2/21

asymptotically, wow, like it!

Every one from Boston says 'go screw ur 80 degrees', lol

OK, FINNALY got the first seeto sprout, here are my details and pics Green House Seeds Arjan's Haze #3, DynaGrow Grow and Bloom (both), DIY Cree 3070 bin AB at 1400 ma (5 volt fan for cooling) for 12/12 hours per day, 730 nm for 30 minutes after lights out, 660 nm for 30 minutes before lights...

perfect match for our favorite drivers :leaf: makes you wonder if Cree is watching Doubtful they are that clever?

Yup that's the one for the 3070 3000k AB bin

I soaked one on day one, another a week later because the first one wasn't popping, another just the other day. Then I put the three of them on a heater and seed one is just now showing a small root, almost ready for the cup. Three total to date. The other two look like they did when they came...

This? https://www.rollitup.org/t/if-you-are-new-to-led-and-want-help-choosing-what-to-buy-post-here.633304/page-272#post-11333626

I suggest you stick with your theory. My theory suggests the atoms are just getting comfy in their new home with roommates that are strange and unusual.

I hope he takes some video when the COB gets fired up, might make for an interesting video. Or not. Just sayin'

FYI Cree says 2800 ma maximum http://www.cree.com/~/media/Files/Cree/LED%20Components%20and%20Modules/XLamp/Data%20and%20Binning/ds%20CXA3070.pdf

for the non-technicals in the group.. big ass = heatsinkusa.com with a major assist from UPS and Alcoa

i would do the meanwells. COBs will take whatever you give them for amps, until they fail. Isn't 2.28A too much for a 3070?

That liquid is to clear, I am almost sure of it :)

How did you decide on that 3-1-3-1-3-1-3 spacing? Why not 2-2-2-2-2-2-2? Thanks

Good thing it isn't a 12 ounce cup competition, you would have to tape the seeds to the blumat :)

Next time try Steves led . Com