I understand your frustrations with early gen LEDs, but you simply cant carry that with you in the new day and age. Take it as a learning experience.
Yes. There is a limited number of QUALITY panels/led manufacturers out and about, so the same company will pop up so often. aggravating? Maybe, but the truth still stands that they are the 3 out of 10+ companies using components that are at least reputable, have the confidence they are going to last, and have the balls to back their product up for at least a year.
Monochromatic LED's are much more touchy than a full spectrum white, if you did not blend your light enough before it hits your leaf surface- problems are able to arise. Even Hans has put in a couple whites, maybe because he is directing his product towards Stealth/Micro growers and he wants to be able to get his panel closer with no concern (whether there was any to begin with or not..) with no loss in intensity, coverage, or spectrum... hell what am I talking about, that dude probably did some research..
And there are constant tests, maybe not formal, but even right now- I have two Lemon Skunk heavy SLH clones under all white light, at ~950umol, that is intense light. That should explain the test in it's own, but if not- I want to see if these fuckers can take it. Things that I am thinking about:
1. As long as all other limiting factors are in check (heat), where is the peak light intensity for vegatative growth? For my situation (my co2 levels...)
2. ^^ I may need to increase my temps to help the metabolic functions and transpiration rates to keep up with the higher levels of light.
3. Feeding regime
4. How do I want to deliver that intensity? From 45 emitters @ 12" @ 95w w/ 950umol, or do I want to mix my spectrum before it gets there with 90 emitters @ 18" @ 195w w/950umol?
5. ^^ What kind of emitters plays into the whole "experiment," using R/B's... yea, id have it easily at 18", if not 24"... but with my all white 4250k emitters- I can stay at 12" because the spectrum doesn't need to blend as much.
So far.
Some others on here do post their research, Rasser and Guod are some personal favorites, diy'ers. There is a lot of information you are missing out on.
I dont know your space, but to replace x2 spectra's (depending on model, guessing 145w draw?) I would recommend checking out Area 51, could replace both of them with 1/2 the draw. bonsai hero, Apache tech, Area51, Rhinogrow, Indagro, it doesn't matter man... let me know your situation and you will get the best quality option you've got. You just cant get pissed if it's a quality option for every one else' situation too.