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Honestly, even that seems a bit on the expensive side

I have a serious question. You obviously believed the shit you read about the light to be willing to pull the trigger on a 4grand purchase, I would think. From the amazon page for it it states that one light can cover a 24sqft area... You have 16sqft to cover... What made you think you...

What driver you can choose...

So let me get this straight, your logic for why you dont think theyre bad is because theyre expensive as fuck? ~500watts for over $1000 seems a bit steep, but oh well, Im sure theyll work.

I believe that would be something of a "stadium" setup. Loads of examples online. Typically more efficient method of growing if you are using an omnidirectional light source.

Start ordering. Youll be happy.

I guess in that case it boggles my mind that no where in the UK makes extruded alumin(i)um.

I would assume you could get something better suited and cheaper from somewhere like heatsinkusa but it wouldnt include a handy dandy handle...

These threads typically provide no useful information. way too many variables involved.

Couple things... Way overkill for light in that space more than likely imo. but thats not really a "problem" per se. What is a potential problem is your driver requires a 220v connection. Also, might be asking a bit much too cool 100+w passively.

What kind of temps do you get running it at 250w?

Thanks, not looking to build one right now though. But it certainly might help someone. The idea of 10 Vero29c's hooked up to two of those, capable of putting out over 1000w of light sounds stupidly awesome.

Personally I have 6 Vero29B's on an HLG-320H-C1050A. Gives me a range from about 120w all the way up t0 360w. If I were building another light though I would try my best to source a new HLG-480H-1400A and combine it with 5 Vero29C's for possibly one of best valued lights possible IMO...

And really, the only way for this thread to come anywhere near accomplishing what you want it to, IMO, is to provide an example of what to look for in data sheets (mainly amps & volts) and teach people how to quickly find and understand the information they need. Otherwise I feel its more of...

People choose different cobs because of competition, not confusion. Much like people buy toyotas instead of only fords, etc. Remember were discussing DIY custom lights here, as there are plenty of off-the-shelf options available. And custom lights rely on individual needs. If you are...

Its really not, if you just know what youre looking at. Case in point. Voltage and amperes are the two main things to consider. Pick the chips you want. Figure out voltage at the current you want to run them at. Find driver that has enough voltage. Whats confusing about it??? I feel...

300v @ 3.15a I believe

They don't have to be wired in parallel. but the low voltage wI'll likely force your hand.

Wire in series (as recommended) and avoid most problems. For some setups it is impractical though. depends on your situation.

Save your money. Totally not worth it. In fact, you probably would have been better off putting that extra 100 towards simply bigger heatsinks, or add fan to them.