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While true, the savings would be negligible unless you are running a factory. But yeah, running at 240V is always good to do with high inductive loads, its more efficient. I doubt a couple lights is going to really matter on 120 though as far as costing a lot more.

Just my opinion, but those Kessils don't make good enough use of 30 Watts or whatever they are. It is too small of a form factor and you would need to spend a lot of money. Other options already available would be better just due to form factor alone. They treat it like an HID but LEd isn't HID...

1. How come? I grow with them in a PC case and they are performing as well as anything I've used before. 2. What date was this info from and where are your sources? I highly doubt many high powered LEDs were around when this statement was made. umoL or photon intensity is RELATED to...

I built a PC cabinet and have my custom DIY LED light in there. Temp is 75-80 and RH is 35% through today's testing. With the door open the RH jumps to 45% and the temps drop to ambient 70.

I am building my own array. Osram, Cree, and some Avagos to test out. I would NEVER buy a light online. I will have ~300 Watts at full power in a 3'x2' cabinet when I am done building it all. I did the research and only a couple LED grow light companies seem reputable with journals on...

Have you built one yet or have you just bought the junk online? I have seen success with DIY arrays. Spreading the light out to give good coverage and density is crucial. Most lights I've seen have the LEDs grouped together less than an inch apart it seems. I am going with a 1.5" distance...

Yes, lots of research.

Not giving you quality is such an understatement. There is yet a light to be sold with the top bin LEDs. The thing with buying lights online is that you don't know what bin or type of LEDs they use. LEDs are not all the same. When it comes to LEDs, it is about efficiency that helps light...

You also need to factor in the losses and general poor efficiency of HID systems (mainly magnetic ballasts). Running two 1000 watt on 120V/20A breaker might work ok when all the wiring is new and not old/degraded. What happens when you run that much current through #12 wire that is 20-30 years...

LED would be a very good supplement to Flower for node and trich development due to added spectrum that HID just doens't do as well. Esp. the 660nm range reds. Solely using LED would require proper spectrum output and still the required 60Watts per square foot for anything decent. Most...