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yeah, from the alibaba, idk what diodes. brighter to the eye than the qb324 anyhow. they wanted me to sell the boards for them so maybe i got a better set than the typical, not sure.

also wired a fake qb304 and a legit qb324 in series on a hlg 240h c1050a and the fake seemed brighter. Although Different spectrum, kelvin and cri ratings

hlg has the specs up for qb324. they seam less efficient than the qb 304 going off ppfd conversion at 1050ma. If I did my math right , a few nights ago. Wonder why there wasnt a big announcement eh?

does that link not work? darn. wired a qb324 to the drivers and fan that came with a mars 300. drawing about 82 watts. not that i will use it like that. maybe with the baba boards.

looks like a 420 sale at hlg. no update on 324 specs yet

are the boards the same dimensions as 288 and 304 looks like and makes sense with the heatsinks. I have heatsinks 1/8 too narrow, sourced local

Guess Ill watch them all at once. lol

Or go for rivets.

Lol cant find them now

Is EXILIEN on Amazon canada an authorized sales dude? Prices are under half, more in line with amazon.com prices converted

I got 18/2 solid core from home depot. Had to get an associate to cut it for me. Seemed like a fair price. Black and red wires. They're encased in another layer, strip that off. Garbage.

Theyre giving away scratch and dent heatsinks at hlg, just buy the boards at full price to go with it.

it would probably work better if you machined it into a penny

I just re rigged up a set. had to turn up the pot on the driver with 4 boards only 1 side was turning on.

https://www.mars-hydro.com/led-grow-light/mars-reflector-led-grow-light 1.6 gps https://www.mars-hydro.com/led-grow-light/mars-ii-led-grow-light 1.8gps or read the forum

So I had 2 sets of 2 fakes on 2 hlg240hc1050a . (4 boards 2 drivers) they're were up to 616w together. Was running them vertical. 3 ft heatsinks 1 board either end. I guess it's time to learn how to use a multimeter? Lol.

I dont think anyone suggested you do that, but have fun with the fancy colours.

Well these leds are apparently 2x efficiency of hps. Started with 400w hps. Could have done better with it prob but I didn't have everything needed for an hps set up. Grabbed 2 mars 300 then jumped on 4 more. They grew a bit better with the lack of adequate climate control. Eventually some...

For the 4x4 go with minimum 4 boards if going with quantum board. The more the merrier 8 boards if qb120 or 132 ( 8 hlg 65)

Go with the hlg kit for now. Through horticulturelightinggroup.com you can find an authorized supplier who will assemble the kit for you, or you can save the 30 usd and get your first "diy" horticultural light build experience. Also cheaper than the 300 or 550, just no government grant for...