cowboylogic
Well-Known Member
Same here, go LED!!! Plants grow under each type of light have subtle differences in thier needs. To be a fair I hope you are adjusting for these factors.
Holy begezus!! I thought my $0.12 a kwh was high.... That is robbery....
Luminous flux is merely how the human eye measures visible light. It has no relevance when it comes to what is usable by the plant. The 120,000 lumens output by a 1000w HID in comparison to the 23000 lumens emitted by an average LED fixture breaks down like this;
1) 120,000 x .05 (5% usable light in HID) = 6000 usable lumens
2) 23,000 x 1.00 (100% usable light in LED) = 23,000 usable lumens
The issue with LED has always been the intensity of the spectrum emitted, not the amount of absorbable light. By using a 3w or higher powered diode the required penetration is attainable to produce dense bud.
I have watched the LED race closely for about 3 years now... LEDs will win eventually and they are getting really close now. Just remember that there are many different grades out there, most of which are garbage produced in china!
168 3w cree LEDs, 549 bucks. He purchases them in HUGE quantities (he must have been sitting on several hundred thousand individual LEDs worth of light), sends the LED's to china, has someone slap them together for cheap and ships them back. A three watt led at that quantity can be more than a buck with the proper driver and shit. That leaves over 300$ for everything else, assembly, shipping and profit.
can you cite any LED light made anywhere else? I believe hina has taken the lead on LED manufacturing.
well LED chips are made all over the world, china has taken over assembly of the units from what I can tell. Cree leds (the led chips themselves) are made in the US, and are implanted in the grow light body in china.
There are some ebay seller from china putting out absolute cat shit led lights, using bottom of the line stuff. Then again, i bet the best lights on the market are assembled there. He'll my cell phone is from china and I f'n love it.
Dude, check digikey. They are a wholesaler for cree in the USA. The cheapest you will buy a 3w cree led for is around $3.00 (and this doesn't even factor in the more expensive spectrums!) each in mass 1000's quantity. 168 x $3 = $504 in LEDs alone. It is physically impossible to produce a quality 500w led light using 3w cree bulbs for anywhere close to $549
Holy begezus!! I thought my $0.12 a kwh was high.... That is robbery....
My point exactly, there is no way that this company is assembling 500w 3w led cree fixtures in china and retailing them in north america for $549!
If this light produces good results I will no longer care about Cree leds.
Please take into account that the manufacturer has a special arrangement with Cree and has access to a totally different pricing structure than what they go for in the open market.
this is exactly right. People go on and on about "Cree". But where is the actual science that proves their led's are the ONLY led's that can be effective? I like the fact that you are doing this side by side. As long as you don't turn out to be a shill for an led light company like so many other people that pretend to be growers are. There are several threads started recently that are nothing but shills trying to hawk their overpriced products by pretending to just some average grower that is having extreme results with xxxx brand.
I thought you were the manufacturer? There is no way that Cree is going to give this company special treatment of any kind let alone better pricing than is available on the open market.