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Same here! The voltage setting doesn't seem useful anyway.

I think I broke the pots on my Meanwell driver. I think I turned then both a bit to far with too big of a screwdriver, and now when I change the settings, they don't seem to be on a linear curve anymore and jump all around randomly when I touch them. Anyone else have this problem?

The driver I'm using is an HLG-240-54A. The voltage and current pots seem to flicker between seemingly random settings as I use them. They didn't do this when I first started using them today.

Finally installed my 2 QB288s. I'm hanging about 12" away (wish my tent was taller) and I'm pulling 30k lux at the top of the canopy at full power. I turned it down because it was too hot, and now I'm getting about 15k lux.

Hey guys, what kind of material should I mount my driver to outside my tent?

Anyone had any success finding heat sinks for the QB11?

Thank you very much for explaining this to me.

Is it advantageous to have control over both the current and voltage, as in the driver that have two pots on them?

YAHOO!!! I just bought a couple of 288s w/ Slates. Should I use constant current or constant voltage for a parrallel wiring? Is there a particular driver that I should use as a first-timer?

What nutes are you using?

Great! And one more thing: Constant voltage or current for my driver? I plan on hoping up both parallel. I don't see any advantages in using series wiring.

Great, in that case, I'll be going with the single slate heatsinks. That way I can adjust the spacing of the boards. :) I'm also planning on adding some QB120s in the corners. Any good heatsinks for those? (Or any specifications on what u-channel to buy)

And there's no risk of shock when touching the heatsink if I remote mount the driver?

If I go with a slate 2 heatsink, should I mount the driver to the heatsink (I've heard this grounds the driver), or should I place the driver outside of the tent? Am I at risk of shock if the driver isn't mounted to the heatsink?

I ordered from seedsman for their 420 special. 2 weeks later, I had recieved no indication that my order had been shipped. I contacted them, and they dispatched my order. Sucks to have to wait 2 weeks extra, but the freebies were nice.

2x QB288/QB304 are supposed to be able to light a 3x3ft2 for flowering. How well does it do this? Should I do 2xQB in 3x3 or 4xQB in 4x4?

Can you run a 3000k and a 4000k off the same driver?

Does anyone think that keeping my room's ambient temperature at about 74F could be okay for cooling a tent with 4 QBs? (using proper ventilation for the tent, of course)

My friend, do you run your ac inside your tent or outside the tent in the garage?

So, the same as air cooled hids, then? How hot do the LEDs themselves get, then? I imagine that the LEDs themselves get hotter than t5s, which are relatively cool to the touch.