The widest spectrum you can find. Meaning the most diverse array of diodes. No idea what those are, I was an early investor in quantum boards and haven't recouped for new lights.
That migro guy is a fucking weirdo. Not even American. What a weird job, to shill shitty Chinese lights for a living from some shithole island. Does he actually grow anything? What nutes does he use? How are his "evaluations" standardized when nutrition is a complete mystery?
Who cares if hes a weirdo , he offers the only decent standardized comparison system out there.
Do your research, know your chips and then check migro for standardized par maps and thats about as much as you can do flying blind.
Who cares about what nutrition hes using. I can go scratch crap up out of a paddock and grow something decent. Personally I think leaf temps and more air flow are the most important aspect when growing with led
You dont need a diverse array , I have a friend thats been running meijiu 800 fotops in 3000k (301b) only for about 3 years and he constantly hits 1.5-1.7 gpw with no CO2 . They have terrible hotspots under the center of the boards and he has height and room restrictions.
Yes chinese lights are junky but to get into the game they are more than adequate. If your just a single light hobbyist then they will give you enough smoke to make you a happy kid
Who cares if hes American or not , Americans have been riding on the coat tails of the true revolutionaries such as Mark Emery , Howard Marks etc and weed was no better or worse before you guys got legal weed , I traveled the world for decades smoking weed wherever I went and there was one universal rule, you can find shit and fire wherever you go
The best weed I ever smoked was some of the shittiest looking bud I had ever seen. It was growing wild in Colombia and looked like it couldn't make its mind up if it was in flower or revegging. It was so sparse that you could see through the spaces in the head but it had the most unique craziest high I have ever encountered. The hype is all smoke and mirrors , it either works or it doesnt
The best LED is the one that gives you enough smoke to be happy unless your commercial then efficiency and spread/penetration becomes priority