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Wrong thread.......

No resources here, but I've been trying to keep my environment within the 'acceptable' range of VPD, while simultaneously trying to keep leaf temps high enough to actually photosynthesize under high PPFD conditions and high CO2 levels. The closer all the parameters are to 'ideal' the plants seem...

Wood is insulating and won't be conducting much heat away from those drivers. I would mount them on aluminum in an open area or at least mount them in an area with decent air movement. So this doesn't happen...

Well guys, they are at it again and this time claiming to be "The Most Powerful Grow Light "In The World". https://www.spectrumkingled.com/product/spectrum-king-600-led-grow-light/ While that claim is still TBD, the lower profile of the fixture looks to be almost half the height of the older...

Beautiful nugs @Greengenes707!

Thank you very much man!!! That really means a lot! :joint: Next round will be better, just getting the hang of living soil.

Banana Kush Day 80

Grown under Vero 29 3500K. 2nd Round. Dakini Kush Day 63 Banana Kush Day 68 Snow Cap Day 77 ...close up. Blue Dream Day 65

So... hearsay of what somebody else on the Internet says holds more merit than you measuring something with a meter??o_O Mind = Blown If you would do this simple task, you would have answered your own questions. I give you this to read over in the mean time...

If you want 'light density' or irradiance that exceeds that of 1000w DE, then cram all those COB's as close as you can together. Grab your PAR/LUX meter and report back. Let us know how even the footprint is.

Just referencing how light works, regardless of the source. I'm hopeful that if people actual read through those links, then we can put this "debate" about 'light intensity vs source' to rest. Because, in fact, there is nothing to "debate". Not referencing light and plants at all. Just light...

This thread is painful to read. How many times can we go around and around in circles saying the same shit?!? You either get it or you don't. Light is Light. If you don't understand that, I would suggest a wikipedia search. Read through the following links. If you still have questions, then...

From Timber's Web Site... Product Details Wattage 210 Watts Output 86 PAR Watts Color Temperature 3500K Coverage Area @ 18-24" 2' x 3' flower, 3' x 4' vegetation Cooling Whisper Silent 23dBA Forced Intake/Exhaust LED Type (2) Cree CXB3590 80 CRI...

Quite a few grows and many different strains. Im about to finish up my second grow under the LED's with 5 different strains. ALL my plants were stressing when the intensity was higher. I experience the same thing under my HPS. The plants directly under the bulb are always a little more stressed...

Haha sorry, I'm closer to Boulder. :-) The spacing on my flower fixture is 11.5" on center. Too close together for 1.4A and limited heighth. I'd have been better off running them at 1.05A and been able to dim them more from that current.

Veg = 11x CXA3070 @ 1.4A approx. 700W Flower = 50x Vero 29 dimmed down to ??? Watts

This is a tough question to answer, because most setup's will be a little different. Depending on the number of chips, the spacing between chips, drive current of the chips, and whether optics are used or not will all play a role in keeping the proper distance from the canopy. I know most...

How much does that stuff go for? I can't seem to find any prices without contacting OM directly.