LED grow lights... input please.

[Atkeni]

I think the point of using LED's (for me at least) wouldnt be efficiency of growing bigass plants, but instead, the almost zero heat generated.

Imagine a set of 6 large speakers (the 2.5ft tall , bigass ones)

In the bottom, you have walls lined with LED lights, on every side, and a lowryder/lowlife in the middle. no vents required, just a burping everyday.

in the top 6"? an actual working speaker

if you get 1oz / plant, and have 6 speakers, you'll be getting two thirds of an ounce a week, enough for a light/weekend smoker, and a reasonable amount for a medical user.

its the perfect stealth setup, nobody would ever realise.

[Opie Yutts]

quote=Treetops:
Opie,
Check this guys grow...hes got them all over the place.....

Yeah, too bad he had to do like everyone else as done, and wreck the experiment by putting in other lights. The people that need to do this are the people that either don't smoke weed or have plenty of weed, so they don't worry about yield and ruin the experiment.

I keep saying that I have yet to see anything budded solely with LED's that produces anything worthwhile, and I have yet to be shown how I am wrong. They work OK for vegging, budding is a different can of worms.

[Opie Yutts]

I am not against LED lighting by any means, and I know that one day people all over the world will be trashing their other lights and switching to LED's. That day will be 6/12/0018.

[Opie Yutts]

Well dip me in shit and roll me in sugar.

Here's the best I've seen so far:

YouTube - LED vs. HPS 25 days into flowering

Or search youtube for "LED vs. HPS"

He did several videos at different stages, but this one is the last, and it's 25 days into flowering. Where is the results video?

[foodsy]

Well dip me in shit and roll me in sugar.

Here's the best I've seen so far:

YouTube - LED vs. HPS 25 days into flowering

Or search youtube for "LED vs. HPS"

He did several videos at different stages, but this one is the last, and it's 25 days into flowering. Where is the results video?

Not sure. The video was posted in July...

[Treetops]

quote=Treetops:
Opie,
Check this guys grow...hes got them all over the place.....

Yeah, too bad he had to do like everyone else as done, and wreck the experiment by putting in other lights. The people that need to do this are the people that either don't smoke weed or have plenty of weed, so they don't worry about yield and ruin the experiment.

But he has put a lot time and effort in his experiment...which I thought was well worth the look...He has spent some dollars as those lights are pricey...

Peace,
Treetops

[Blumen]

I'm with Opie Yutts there. Almost all of the led grows I saw messed up at some point or the other. I was reading pages after pages of good info and then there is a CFL involved, early flowering, change in nutrients, a friend took over for holidays and let them die, one yanked them out being paranoid, HPS got introduced to save the yield, etc. I would have been happy to just hear that it takes 2 weeks more to have the same yield, or something like that. Still I hope people continue to do their grows, at some point there will be semi-scientific data.

[nicobrau]

Hey whatsup ladies and gentlemen, this is my first post over here. Nice to meet you folks and forgive me if you sometimes dont understand something on my posts, English is not my first language.

I've read very intesting information on this board, and this thread especifically has stuck me around and made me think about all this LED stuff.

It seems that the main goal of this thread has been testing the LED system as the only sourse of light to the plants. In my undestanding, it looks like the theory of provide only the wavelength used by the plants makes a pretty good sense, but so far, the LED system doesnt seem to be working very consistently by itself, based in the results shown by some folks over here. But what about a LED/HPS combo system? Somebody has tried it all the way?

I have my little garden inside a 2'x3' wardrobe running a 400W HPS setup, which gives me a great amount of light, but also gives me a big pain on the ass to control the temperature when the ligth is on.

I was wondering how my crop would perform if I change the 400w for a 150, maybe 250w HPS and add to the system something like 4 to 6 of those 168 LED bulbs, w/ more blue or red depending on the plants stage.

I pretty sure that a system w/ a 150wHPS plus 6 of those LED bulbs would cut the costs on energy by the half at least, as well as the temperature generated. Less and smaller fans would be necessary as well as less exhausting cicles.

If the goal w/ the LED is to drop down operational costs and provide a better and easier way to control the heat, a combo system like that would be a half way to the ideal situation. At least until the LED technology be better tested and developed to be used all alone.

I got no money right now to change my light setup, maybe in a month or two. Meanwhile, I'd love to read any information about this kind of setup. Does anybody have any data about it to share?

PEACE!

[Opie Yutts]

I was wondering how my crop would perform if I change the 400w for a 150, maybe 250w HPS and add to the system something like 4 to 6 of those 168 LED bulbs, w/ more blue or red depending on the plants stage.

Hello and welcome to the forum. Thanks for your input.

I think that your idea is definitely doable. I would probably try 250W HPS from above, and then some bluish LED's around the sides. I think that if you spend enough money on the LED's the yields would be similar to your one 400W HPS. Please be sure to let us know how things work out if you decide to try LED's.

Are you German?

[luvfriday]

Here is a link to a grower on his 2nd try with the UFO, he got the maker to tweak one for him to start a 2nd grow using 70 Red/20 blue, and he currently has another experiment going on using the only competitor taking on the HID hut UFO. Granted they are using tomato plants or something but I was impressed he actually has the impressive grow log using several LED light kits.
Experiments with Hydroponics, Aeroponics, and LED Grow Lighting