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This is why they made volt multi-meters

Platinum is overpriced "build in USA" (Actually China, it's rebranded Eshine) Epicrap lights. In a 1.2x1.2 metre tent you'd indeed need 6 or 7 of those overpriced lights. HPS is proven technology and will do the job. 800-1000 watt or so for a 1.2x1.2 (16 square foot) tent

I've read about some guy growing a pepper plant under 20 watts of LED light and getting pods. His pictures didn't work so I don't know how big the plant was but probably pretty small, peppers get pods even in the smallest pot sizes. I'm pretty certain you won't need more than 20 watts per...

And 2700K is somehow not full spectrum because? Also if you look at the light curve of the CXB3590 on the Cree datasheet you will see that 3000K actually has more green light than 5000K. And High CRI 3000K has the most green...

http://ntrs.nasa.gov/search.jsp?R=20150009399 http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20150009399.pdf Green light. Green light (500-600nm) falls between broad-band blue and red light along the PAR energy spectrum. Green often is disregarded as an unimportant waveband in...

I've actually thought about buying a high-bay LED light instead of a purpose built grow light. Went with DIY in the end though. But highbay lights can actually be good value. Compare Cree highbay LED...

Yea, green light (RGB is perceived as white) is just as important if not more important than blue light http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20150009399.pdf " Green light.Green light (500-600nm) falls between broad-band blue and red light along the PAR energy spectrum. Green...

"It goes all the way up to 2400 watts." "this is easily an equivalent of a 5000 - 7000 watt HID replacement in terms of power output." I am very skeptical on this. More efficient than HID I believe but 2 to almost 3 times as efficient? Can't believe that unless there is hard proof. But it's...

If you think Bridgelux Vero chips are too expensive you're better off sticking with HPS

By the Especification the Midadas it has the dimensions in an image. The base is 5mm thick. It would work... probably. Of course tools are better but it does the job.

20@0.7A would be around 30 watts per square foot. 20@1.05 is +-46 watts per square foot Both would work.

1.3A is fine. Max current the Vero 18 can handle is 2.1A http://www.bridgelux.com/sites/default/files/resource_media/DS32%20Vero%2018%20Array%20Data%20Sheet%20Rev%20H%2020150908.pdf

Bonsair pepper is quite doable. I know that doesn't answer your question at all, but I think they look nice and people may be interested http://www.fatalii.net/bonsai_chiles_bonchi

What's colour temp do you guys prefer with Vero if you use the same COB for both grow and bloom?

He probably used a thermal adhesive. http://www.arcticsilver.com/arctic_silver_thermal_adhesive.htm

Nobody worth a damn is comparing the lumens of COB vs Mars. PAR measurements have been done countless times already and Cree/Vero COB lightning are a full class if not 2 above Mars lighting. You're fucking naive if you think people haven't compared the PAR readings already.

I wouldn't be too concerned about the third class of people who buy epi-shit for efficiency. They will be disappointed, but they will also learn how to do research so they won't be disappointed again. It's the 90 watt guys I am concerned about because they keep paying scam artists and are...

So does that mean that even the crooks at 420 don't want the crooks of Platinum anymore? Shows just how big of a scamartists platinum (rebranded Eshine) truly are.

Even the crappiest CPU heatsink+fan will dissipate 60 watts. They should work fine.

Anyone know if http://www.deltourheatsinks.com has a minimum order quantity?