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IMO, RH/temp concerns are a direct issue of sealed/unsealed. And also how well the grow space is constructed. Seal an environment with lights and plants. The RH and ambient temp will surely rise until either exhausted or mitigated.

Sorry man, but you are quite incorrect.

Pretty much what most of it looked like... Far from a perfect round with LOTs of room for improvement with both quality and yield.

Here you go... Snow Cap

Not trying to knock your yield at all... 1.75 is awesome for that short of veg. Props for that! Just thinking out loud.. If you had a better light source what could you pull? That was the question that drove me to building DIY lights.

All competition aside, if you were just looking to improve your personal best, I feel that with a proper COB setup you would be doing well over 2 without changing a damn thing. Same or less watts.

Who is?

2 units = 32oz 4' x 4' = 16 ft sq 32oz \ 16 ft sq = 2oz per sq ft or 57 grams per sq ft

Of course. The plants were in veg for 8 weeks, but this was by accident. Building a 50 COB fixture is no simple task, and took longer than estimated. Training consisted of topping the plants as frequently as possible because they were getting too big and the light wasn't ready. The plants were...

No, I haven't done a journal or anything. But I have been telling people about what I plan on doing, and posting pictures in different threads along the way. I believe I already referenced my results in this thread a few times. And yes, in my circles at least, it was some record setting shit...

These are the results from my very first grow under this setup. I personally believe that there is for improvement via better training. light tech: DIY 50x Bridgelux Vero 29 Ver. 2/ Ledil Angelina 90 deg Reflector distance from canopy: 14" - 18" wattage: 3125 Watts (50x Vero 29 @ 1.4A) SF and...

I think the point FRAN was trying to make about Heliospectra, is that LED lights actually are making their way into horticulture. Companies are willing to invest in the tech on a large scale, even though most of us have better grow lights in our basements for a lot less. Shouldn't be much longer...

@Sativied Nice anecdote! Your thoughtless rant is just what i needed to brighten my day! Suspended rationality! All those words without any real meaning or substance! Awesome! Not only did you not refute a single point that I made, you failed to acknowledge (or just ignored) the flaws that I...

It sounds like you are the one who is salty. Name calling and demeaning people over different light sources..... And the really sad part, is that you have proven every LED proponents side of the arguement with every link you provided, and still missed the point of the whole article. The...

Trying to make the shortcomings of a light sound like a benefit.. is reaching, brotato.

I have access to a PAR meter and IR temp meter. I have compared relative ppf and leaf temps, and the difference is negligible between 3500K COB and HPS (leaf temps). 2-3 deg. F Don't blame a light for not being able to manage canopy temps. Most growers battle the heat of HPS lights. Can you...

So in your theoretical situation, why can't the ambient temp of the LED grow room be adjusted to match leaf tempuratures of the plants under HPS? As well as humidity? Is climate control not allowed in your comparison?

From iGROW website... "iGROW and Nikola Tesla are synonymous. iGROW is one of Tesla’s greatest gifts to mankind. We think Tesla would be very happy to know that his light technology has been developed to be the finest agricultural light, once again beating out Edison. We are very proud that...

Correctamundo!