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0.1ma 1.758625w 71.92265% :o thank you so much for the info! seems It would make sense to dim down to ~0.5ma (or till I hit ~900ppfd) @~66%

I'll be sure to post some pics of that beauty! and the final results ofcs what in your opinion is the ppfd to shoot for if gr>watt is the main goal? also, can you please estimate how high can we go efficiency wise? for example, if with 700ma (~25W per COB) we are @ ~64% efficienct were will we...

"over 1000 either way"? that's even more than I thought! : ) thank you very much for you response sir : ) than it settled. I will also bee using Storm-X controller to create sunset, sunrises etc. maybe I will be able to achieve more efficiency by dimming it down even more if "383w per meter...

Hello guys! I have ordered everything. The chips are on their way and the 2 meter long heatsinks are in the process of making in factory. just need decide on which of these 2 to go with : ) My main goal is to increase gr per watt. If 2gr per watt is possible with this light, would you...

thank you for your input, I have done the math in the meantime and it seems that 500w per sq meter will give me 1300ppfd (just as the brightest day at 12:00) because I will use the B version driver I will be able to dim down all the way to 350ma and adjust for the sweet spot and maybe go full...

@tick tack toe wow this top management! very beautiful! do you think 4 plants with 16 tops will yield more than 16 clones? I am curious if the age of the plant affects yields

hey Buddy, I don't know why, but I didn't get the notification on your comment. there was the first deleaf on day 17 flower and the second deleaf on day 28. didn't touch the plants besides that, but I think the deleaf of day 28 was overkill. overall I'm disappointed in this grow. I have to many...

who cares even if you did. It's just wiring a cob to a driver -_-

12\12 07 VS 12\12 56

yes, that's about it. I will be ordering PAR meter right after the harvest so I can really dial it in and share the results. thanks ))

the area will be 5 sqared meters (2x3) yes, I went with the cxb3590s 3500k 500 watts of LED (20 cobs@300-700ma) per sq meter. how much ppfd you think I will have?

12/12 day 55 made an artificial rain and wind for the veg xd

it was getting to hot and crowded with not much air movement so I split the room in 2

I think I'll end up using regular plate heatsinks because they look cool and not require any other parts to attach. and they are not so expensive after all... I think it will look somethink like that 100 chips 10 bars 10 hlg240b @700 each bar 2 meters long and 20cm wide

It seems white because I use what's called "custom white balance" for my canon DSLR. [if I would point my camera with this settings at something white it would appear green (just as method seven glasses)] Just some shitty panels from china. I have already posted the wavelenghts but I guess I...

who said you have to buy these heatsinks from alibaba? if your country has those plate heatsinks than you can also find these small round heatsinks I just wouldnt believe it's enough for passive cooling. turns out it is. and they are even Watt rated for COB so you don't need to do any...

its actually pretty good, I'll make an update soon :)

man...amazing idea, I was about to drop a lot of $$ on the "traditional" heatsinks (2kw COB garden) but this makes the job so easier and cheaper. almost makes me wonder why anybody would prefer an aluminium plate over this. I could just mount these heatsinks between two L shaped metal strips...

Guys on here have already built 70% efficient panels can you please link that?

in the time I'm thinking of how to build the best panel for my situation i have started practice with my chinese leds to lower current, increase light spread and decrease heat. I wired them parallel because that's the only option I had with this drivers. ~400w veg panel all plants were...