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Ahh... That makes more sense to me! Still, an impressive yield for cheap LED bulbs.

8 ounces from 110w? Did you keep the side-lighting in the cab for that run?

Plenty of strip builds doing 1.5+gpw. (Though as @gwheels stated, gpw isn't necessarily all that meaningful as a metric.) I'll give you a link for one example, but if you dig through the forum you'll find more. https://www.rollitup.org/t/samsung-strips-still-going.977206/

I usually refrain from commenting in the party cup threads, because I don't participate in the competitions, but such eloquence must be acknowledged!

Anyone added any QB11s in 660nm to their QB setups? If so, what percentage of your total wattage is devoted to the reds? And are you running them for the duration of the light cycle?

It's because you're using the B version of the HLG-240H-C2100. The A version offers more current.

Yeah, if I were doing it again, I'd go parallel.

I think it would have to be a Holy Grail driver to hit 265w. I have two sets of 4xQB120s, each driven by an HLG-240H-C2100A, and they max at 254w and 257w, respectively. But yes, tons of options, and the 120 is a great, cheap starting point.

Why limit yourself to less than the boards are capable of? Two 240 drivers would only cost $20 more in total, and would allow you to run the boards at max, giving around 500 watts.

Some of us need the heat. Otherwise, I concur.

Even our little guy, Yoda?

Yodatroll's at it again, eh? I consider it a compliment to have been blocked by him.

No, I have not had first-hand experience with Spectrum King, but I don't need it to know that their coverage claims are bullshit. To put it in perspective, growers using the most efficient LEDs available typically shoot for a minimum of 30 watts per square foot. Wattage isn't the best indicator...

Just to warn you, Spectrum King is full of shit. The Closet Case 140 is WAY overpriced and WAY underpowered for a 3x3 space.

What are your temp and humidity readings?

Certainly not as picky as a certain HPS user who constantly looks for any excuse to dispute LED's superiority!

I wonder how well they're selling these days.

@Stephenj37826 @robincnn They are quite busy, but I'm sure they'll get back to you soon.

I'm sure I've seen someone here say that they flowered under 5000k. Might have been @OLD MOTHER SATIVA (or I might be name-checking him for nothing)?

You mean you can't see that his results are 10-15x better?? He's clearly a master grower! In all seriousness, I'm guessing he won't be back in this thread (though it would be entertaining if he actually tried to back up his claims now that he's been called out).