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You can run CBX 3590s at 25 watts with a 700 ma driver, as I recall that is 64% efficiency. Gets expensive quickly as sqft ramps up though......I'm planning on running 1050 ma (~40 watts and 61% efficiency) and still wince at the number of cobs needed.....and the $$$.

Hey BG! Not sure I understand this comment. Efficiency in converting electrical energy to light + heat is where LEDs shine (pun intended!). 1000 watts of LEDs at 61% efficiency produces 390 watts of heat, while an 1000 watts of HID at 35% produces 650 watts of heat. Even considering the...

Great question, very thought provoking. There will be many philosophical (and opposing) viewpoints on this. What I believe is that there are a number of activities that require large scale infrastructure like roads, water, mass transit, etc. and especially national defense that would not be...

Looking clean, green and mean there Mr Humble! Nicely done! What cobs and drivers?

I get your point, but I don't want to decide between eating and paying for protection. I fear that those most abused by the current policing organizations (Poor, uneducated) would be the ones most unable to afford protection - and they live many times in the highest crime areas. There are some...

You can't bench test every single product you sell, unless you only sell a few items a day. Even then the labor involved would drive costs up significantly. This stuff happens. A small change by a supplier who did not think the change would affect anything gets discovered when the end user...

From my perspective it is all about intent. There are only a few reasons to become a cop; mostly desire for power, thirst for thrills and excitement or "white knight" syndrome. It sure isn't about the money. I've met/known all three, although I don't have any friends that are still cops, lol...

So pretty you should kiss yourself!

Still researching!

Current status: researching

I understand, PB! My choice of wording could be better. I'm comfortable saying "most" rather than "nearly all", but I'm also not saying that the theoretical discussions are bad. I've followed your posts for a while and I know you are seeking to gain as much knowledge as possible and share...

Hey @Trippyness , if this post is too long let me know and I'll delete. My perspective? Let me say right up front that my OPINIONS on LEDs are based on a lot of research, not RL grows. That said, I was trained as a scientist and (as any scientist will tell you) stage one in a research project...

No reason ground loops wouldn't work, the only issue I see is upfront cost of getting the loops below the frost line. Some areas of Colorado are pretty rocky and it would be a big PITA. Also have to insulate where it enters the structure or drill through the foundation beneath frost line, not...

While you can grow with damn near any light, I think most here would agree we have not identified the perfect spectrum for cannabis yet and until we do (and a manufacturer begins making COBs for that spectrum) there will be a place for monos. :hump: Much closer than we were just 10 years ago...

Assume you are using the far red initiator from your video build..... Just one unit for the 4x10 area or multiples? Fascinated with the uvb, green light and far red impact on plant growth - exactly what these wavelengths trigger, and how much of each is needed to maximize a plant's 'happiness'...

Something looked so familiar about these plates, kept thinking I've seen them before. Then I figured it out. Are you Tony Stark?

Your premise is absurd, plenty of money for power and space but highly constrained money for lights? No long term business plan with amortization over the life of the equipment? Ignoring tax credits for energy efficiency? No concern about total cost/gram? Obvious you have 0 biz experience, no...

BD you have had some incredibly knowledgeable, very busy people take time to offer advice, yet your responses are mean-spirited, dismissive and arrogant. Very rude of you, you know! Perhaps you should be in a forum with less people. Try Wikipedia.

RofLed: "Let our faux-ton flucks you!" We guarantee 200% that our patented harvest-moon shaped light footprint will signal your plants that 'fall is coming - better get it done!' causing the highest rate ever measured. The spectrum is tailored not only maximize plant growth in every stage, but...

Hey CW! This chart ignores the signals sent to the plant by other wavelengths. Good example is the IR trigger response for flowering. Not all beneficial light is driving photosynthesis. Also, FYI the "average sun" number is irrelevant. The total spectrum is what is important. Equal...