FourthCity
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Just curious, do you think the people in china are hacks because they are chinese? What is the "other" light? Spider Farmer is a chinese company that sells imitations of hlg and gavita products, what sets them apart from their other chinese competitors? Both hlg and gavita lights are made of parts manufactured in china, gavita is known for copying off of philips in the past and claiming their products are made in holland when at most, like hlg in the US, only some assembly is done there.Yea, take it from me, the "best" for the cheapest, isn't a very congruent statement. There is cheap, then there is "acceptable" cheap, and SF highly fits into that category.
I think that's what the OP here need's to come to terms with. You can surf the web, and look for LM30? whatever diodes, and they maybe could have put them into there and they work, but... There are verified distributers in this area, and there's the "rest" of everyone.
That said: Mars hydro, the newest ones are probably "acceptable" also.
The real key with lighting is the engineering spec, and getting the lighting intensity, photon flux, spectrum and ratio's correct. SF has proven track record.
Some hack sitting over in China who's copying the "other" light, isn't necessarily going to be "cutting edge" by the time you get it. The SF panels, and especially the SE series lights represent the closest thing to a Gavita Pro series light, for a fraction of the cost. ie. Not only excellent diodes, but the spectrums are dialed in efficiently.
This guy actually listens and looks at feedback. LED technology has made quantum leaps in efficiency in the last year maybe year and half.
Lights are the one thing you want to get from a reputable source. Does anyone in here actually know what a LM301H diode looks like? or able to discriminate the real ones, from fakes?
Also want to know what quantum leap in tech leds have made in the last year and a half? Seems like the 301h's have been out that long and they are only a little more efficient than the 301b that were out before. I'm not trying to defend chinese politics or anything but it is a country full of very capable people. Suggesting that they can't make a good led lamp when they have more experience in the design and manufacture of those components than any other country in the world is ignorant and/or racist.
The two main reasons why companies like kingbrite (wholesalers) have less expensive products than companies like spider farmer (retailers) isn't because they are cheaper to make or lower quality, its because wholesalers dont spend the money on marketing (like sponsoring forums, web ads, etc) and because import duties are already built into retail prices. If you buy less than $800 worth of led lights at a time from a chinese wholesaler you do not have to pay import duties and they do not reflect those fees in their prices.