http://www.thegreenleaf.biz/LED_Lights.html

What do u think about these lights , anybody had any experience/knowledge on these , anyhelp appreciated..

I haven't heard much about people actually using LEDs that comparisons I have seen have produced stretched lanky plants.

I've been reading a lot about LED's. Thinking of putting
together my own with Radio Shack parts.
From what I've seen a 300 watt LED would be mega powerful.
The big thing with LED is how little juice they use.
300 watts of LED is HUGE. And I'm betting the price would
knock yer socks off. EDIT: Actually just checked the
link you gave. $419 for 300 watts is pretty good.


Most that I've seen are using 90 or 120 watt. And those
are very expensive.

The results I've seen vary. If enough light is used they look
good but due to the cost I believe people often skimp.

Check out the lumigrow led setups. 330 watts....$1200 but well worth it.

Have fun with that!

i wont even touch this one, hehehe. i will tell you though, the LumiGrow ES and TI SmartLamp seem to be the best on the market right now. you will want to stay away from anything that uses 1w diodes, such as the UFO and other panels. the tech is much older, and lacks penetration and intensity. they do work though, just not as much as us growers would expect. LEDs are very expensive, so you might as well pay a little more for a better unit from a reputable company. check out some of the LED grows in the General Growing section. we are doing it for yall.

There are several long threads on the subject already in existence such as led on trial. go check them out. simple answer though is that led does work but you will have to invest a lot of dollars per gram of end result. For situations where low electric costs are a must and huge yield is not important, led works well.

You don't have to give up yield using LEDs. Just use cali's buyers guide above. Yes, they are costly, you have to decide to spend once up front and help save the earth, or give the money to the electric company month after month after month. Less heat = less ac. Replace other bulbs once a year, LEDs every five years. One of those threads Dawg is talking does a bit of a cost analysis. Sooner of later I hope to have everything under LEDs.

Hi,

Lots of techniques producing Leds have changed in the past 3 years, they've had my attention since I work with them.
But, at the moment I still started growing again using CFL due to... $$$.

I'd also like to build my LED-panels, it seems much & much cheaper as a commercial version. Choosing the right Led is a bit of a problem though. New generations of Leds "almost" seem to double their output in... the same rate GBs on HD's double.
I guess using 1-watt Leds won't be a problem at all... as long as they're one of the latest generations. Leds produced "yesterday" may be inadequate for our hobby, but they're still sold a lot unfortunately.

I just checked Ebay. With $450 for 1000 .5 Watt Leds, I'd probably need another $50-80 for the power supply and electronics. Add another $40-60 for assembly & cooling stuff and the job would be finished. That would give me 500Watt for ~$575 which sounds... very appealing.

Unfortunately, the cheaper Leds get, the harder it seems to find the right dataspecs. Some 5watt sellers also ask the same other sellers ask for a 1watt LEDs, which makes me wonder what type of LED I'd really get. So, finding the right LEDs and not getting ripped off will be essential.

Since some commercial growlights seem to prove themselves I wonder what brand/types of leds are used in those lights.
I know they're red&blue (mostly), but with more exact info it shouldn't be too hard to find similar and perhaps newer/better LEDS.

So, if anyone knows... please respond.

B.T.W. At my job we're assembling electronic displays for fuel prices (those bright red ones...). Sofar I did collect a lot of PCB-boards that didn't meet the standards. To get the spectrum right I'll still need loads of blue leds, but I hope the red light will be a nice addition when flowering my CFL-garden.

Last but not least, It wouldn't surprise me when LED-growlights, which function good today will be seen as totally inefficient tomorrow. That... also bothers me a little, I might buy some nice growlights (with a lifespan of 10 years) for a lot of $$$ now, but in 3 years I probably get the same amount of lumens for "allmost" nothing.

So, I'm still hesitating to switch to LEDs completely, but they sure have my attention.

Excellent prices and products.

http://www.thegreenleaf.biz/LED_Lights.html