L.E.D. Lights

[lala124]

Anyone read about these? Ive seen a lot of hype about them recently, but it almost seems too good to be true. Im still looking for some grows with them, Ill keep ya updated. Also, theyre expensive as a bitch.

[Gandhi]

Yeah, but they're bright as hell and they use very little energy.


I wish I could build a grow tent with the inside lined with hundreds of LEDs. That'd be awesome.

[Growz]

lads it wont be long till you can buy a grow tent with these LED's built in

I have been looking at them and the results and i agree it does seem to good to be true but if you look at what they are saying they are correct becuase there is no wasted light the red and blue is all the plant needs to grow good and its right in the middle of the perfect light spectrum!

I think in a years time it would be good to change over to these as they would have made them more better and they will be alot more commercial

[lkdj2003]

Have alook here (http://www.ledgrowlights.com/) , they still need alot of work on them yet to get anything worth having yeild wise from a cannabis plant. There was a chap using loads of them on another grow forum and he ended up with a little bud up the top of the cola and that was it due to the led's not penetrating the canopy very well.

I agree with you Lewy, they sure do need alot more work to be used to grow cannabis.

[lala124]

Yup. Been reading up about it on another grow forum. One place seems to have the most info on it but I dont think I can post links.
It looks like, as Lewy said, you have to have the correct spectrums of light. White LED lighting is just the Blue spectrum to an extreme, and plants dont really respond very well to it.

Lala

[Bitterfly]

yeah as LK says its the light penetration thats the problem.

i cant see how they can improve on it tho!

[Rabiez]

It's still 2 steps forward and 1 back with LED's and weed at the moment, as far as I can see.

For example, the current thinking is that red and blue alone are not enough, and that the plant needs (amongst others) far (infra)red to let it know it's bedtime, necessatating a small halogen light to be switched on for 30 minutes at the end of the light cycle.

All the LED test beds I've seen have had problems and minimal yields, and my own miniture tests went similarly.

Sadly, I think it's going to be many years before LED's are manufactured in anywhere near all the wavelengths that we need, to truly know what cannabis needs.

Booo! :<

[lkdj2003]

Well said Rabiez, it is a shame because they would of been alot more safer. But again the amount you would need takes up alot of room.

[Dinxuk]

Been using leds for a week or so now and quite happy with results will keep posting have a few methods on the go will post some pics soon.

[Ragemonkey]

I saw a guy growing with LED's on anoter forum . The results were that LED's can get a plant through vegative growth , but when it comes to flowering they fail oh so badly...

[Dinxuk]

that sounds a shame will let you know how i get on fingers crossed..

[Dinxuk]

Have a couple of dolce vita cuttings under one of the panels i have.Only just arrived cuttings in the 2nd day will post pics every now and again to show any progress ..http://www.thctalk.com/gallery/data/500/led_2.JPG.Panels supposed to be equivilent to 125 watt hps wether they are or not i dont know just will have to try em and see.

[green_machine]

That pic does some serious damage to my head when I scroll the page up and down quickly...:p

Good luck with it - I love trying new things, even better when they work!

green_machine :dance2:

[D]

That pic does some serious damage to my head when I scroll the page up and down quickly...:p


fuuckthattt o_O

that's insane!!

Good luck mate

[Ragemonkey]

Time to throw in a classic stoner quote ...



Thats so fucking trippy

[Blueberryog]

High Times is getting very interested in the new lighting technology. Theyre doing experimental trial grows, comparing 600w hps, to the 600w (equivalent). The LEDs are actually yeilding more, and the technology is quickly evolving. The everyday college grower is benifiting from the lack of heat and electricity use. Size, Heat and energy consumtion are all going down drastically. They are being looked at by college growers for their usefulness in the areas of stealth growing.

Heres a website that offers the UFO LED system.
http://www.hidhut.com/catalog/the-led-ufo-p-1372.html

[Bitterfly]

High Times is getting very interested in the new lighting technology. Theyre doing experimental trial grows, comparing 600w hps, to the 600w (equivalent). The LEDs are actually yeilding more, and the technology is quickly evolving. The everyday college grower is benifiting from the lack of heat and electricity use. Size, Heat and energy consumtion are all going down drastically. They are being looked at by college growers for their usefulness in the areas of stealth growing.

Heres a website that offers the UFO LED system.
http://www.hidhut.com/catalog/the-led-ufo-p-1372.html



The LED UFO is the most revolutionary plant lighting product since the inception of High Pressure Sodium lamp. Consuming only 80 watts of power and producing virtually no heat, it boasts light intensity and growth rates exceeding that of a 400W HPS.

ill believe that when i see it!!

[Blueberryog]

ill believe that when i see it!!

I know. Im a bit skeptical, but i waiting till next issue to read what theyre reort is on the difference.

[Dinxuk]

Have added a pic to show roughly whats happening.The plants in the first pic been in for about a week.Since then new arrivals to the family have arrived and there in with them.All cutting ladies but have a few seeds in there aswell.Two seeds have shown one is supposed to be feminised either durban poison or first lady which in my intellegence forgot to label which was which.The other is a mixed skunk no 1 which could turn out to be anything.Plants in there are a mix of dolce vita and medicine man so fingers crossed.Will be doing a diary to show how i get on over the next few days.http://www.thctalk.com/gallery/data/500/medium/led_21.JPG

[marijuanamat]

LED arrays are a few years away from being acceptable for growing cannabis under and the price needs to come right down to for them to be viable.All the grows i've seen so far with just LEDs have been sub-standard to say the least and you need to SCROG the plants to get a level canopy as thay don't penetrate very deep,but as the technology gets better and becomes alot cheaper thay could be very good grow lights especially for rooting cuttings and vegging clones/mothers,but i think it will be a while before there good enough to produce high yields.

[Dinxuk]

Im sure that everything you said will be exactly right and i am more trying out of curiosity than hope.Only one will go into veg under the led just to prove how bad they really are to myself.All the grows ive seen with them have had poor yeilds as described.They will go under enviros through veg then one will go under the led for flower.Panel uses 15 watt and they say has an output of equivilent of 125 watt hps which again i struggle to believe yet still want to tinker.

[Dinxuk]

Just a quick update on the dolci vita cutting in the first pic.Been under led so far just over a week and filling out nicely now.All looks well other cuttings coming along well so fingers crossed.Promise a diary will come soon and will stop posting in here and go through the grow diary section.Hope everybody had a happy new year..
http://www.thctalk.com/gallery/data/500/medium/IMG00046.JPG

[Bitterfly]

looking alright for bein under the leds.

the thing is, even if 15watts does equal 125w, those panels seem to be quite big, so surely if you want to do a serious grow your gonna encounter some serious space issues?

[Dinxuk]

Panels about 30 cm square and weigh next to nothing.Only playing with them out of curiosity all plants are going under enviro 200 watt with both panels of led back to back in the middle of plants have another 150 watt eviro to add if needs be.Then one of the plants will go to veg on its own.Under panels and other leds i currently have as veg is the stage thats suppsoed to fail so bad.Just a test with them other plants will go under enviro to flower so i can see how bad led really are.

[Bitterfly]

i was thinking, if you had 'one plant chambers', which was a small box but totally covered with leds, that may be effective, since the penetration is so weak, you would need the light to hit all the sides of the plant as well as the top.

[Dinxuk]

Thats a great idea and somthing i could accomadate with the leds i have.Will set a similar setup to what you described.Also have some very intense leds i have aquired through the good old streetlighting avenue so all coupled together just might get a bud yet heres hoping lol.And thanks for your thoughts..

[Bitterfly]

well here mate that sounds spot on!

i can't wait to see what you do with em, and what about these higher intensity led's, what is their output?

[Dinxuk]

New ones come in the form of bayonet fitting lamps and are used for xmas decorations to be strung across a street etc.Each lamp holder contains four rarther large led leads.Each lamp is rated at 1 watt what nanowave etc they are i dont know.I have the lamps which retail at 7 pounds a lamp even though they are only golf ball size lamps housed in the same festoons as you find strung across the streets.So it givesme great scope for placement of lamps etc.And as lamps can be aquired price this way is much cheaper than the panels.So all in all have one festoon with 30 odd holders for lamps and one with about 20 on.This way is i can add red or blue as i fancy.These led are much brighter than the panels and if stared at for 30 seconds or more give you a nice whitey feeling unlike the panels.Will put a pic up for you tommorow showing the difference in the panels and the baynet lamps.

[Bitterfly]

brill mate cant wait to see, at least with this way you can give a greater proportion of blue or red depending on the light cycle ;)

[Dinxuk]

Indeed nowt to say it will work but will try all the same.Have included a comparison chart dont know how much truth there is in it but here it is.
http://www.thctalk.com/gallery/data/500/medium/ComparisonChart.jpg

[Bitterfly]

could you put a slighty bigger version of that pic up dude?

[Dinxuk]

Have enlarged a little see if it helps added a bigger one to members gallery if you click on the one there its a bit better.http://www.thctalk.com/gallery/data/500/thumbs/chart.JPG (http://www.thctalk.com/gallery/showphoto.php/photo/3308)

[Dinxuk]

Here is pic i have taken its hard to capture the difference with camera.The home made set has about 6 inches between each lamp on a flex.Bulbs are just close for picture reasons.The lights on the panels are far more brighter than they look in the picture which give you and indication of how much brighter they all are off camera.The ones not on the panel will make u feel dog sick if stared at in no time at all which the others do not or if they do its no where to the extent of the bayonet lamps.Is this a way to grade them im sure its not but fun none the less.Any way gives u a little indication at what i will throw at a plant when time comes.
http://www.thctalk.com/gallery/data/500/medium/IMG00050.JPG

[Hashassin]

ill believe that when i see it!!
Me too.. someone elsewhere did a 70W LED grow (actual wattage) and ended up with about 4g at the end! If you believe the manufacturers hype that should have been equivalent to nearly 400W of HID lighting :rolleye:

Quite a few people have found cannabis won't even start flowering under LEDs, presumably due to missing wavelengths. I wouldn't believe much in magazines either unless it's a truely independent comparison grow and not being sneakily set up and funded by the companies selling the lights, as they do..

[Dinxuk]

I agree they might turn out to be the worst things in the world.But sometimes a boys gotta play.Ive never used led before and have only seen bad results at flowering so have no faith at all.In there defense this time when using on clones theres has been no stretching towards the lamp above the propagator.Plants have filled out and grown up to 3 stems within a quarter of an inch and have nice size leaves on.New growth coming from the tops but it seems to have slowed the height although light is still 6 inches or so above.Again im a total novice to growing in general and couldnt really say if results so far were good but better than the few goes ive had before.Curisoity sometimes runs wild and would love to have a little bud appear just for tasting to sample and compare.Will only be using 350 watt of enviro on others.Again hps by far presents the best results and is more easily accsessible than the above options but with limited height etc not feasible.

[lkdj2003]

Very intersting indeedy, i will be watching this. Your plant's are looking very healthy there mate. :pimped:

:Nice:

The thing with HPS and LED'S is penetrating the canopy of the plant's, HPS as we all know are good at doing this but LED's will struggle. This is where they lack usage really when growing cannabis. But thats not saying you can't, as i have seen LED grows before and they do see the plant's right through ok but with poor results for the size and amount of lights used.

This is still a very interesting idea to watch and learn from though. Keep up the good work mate. :toke:

Have you seen the High power LEDS (http://www.roithner-laser.com/LED_HP_multi_chip.html) , they may work alittle better??

[Midnight Toker]

There's still a long long way to go with this technology yet ... give it a few more years for the manufacturers to get em sorted & it might be worth looking at.

[The_Hunter]

Led lighting looks all pros and no cons, and i was thinking insted of buying a led light why dont i make one from some high power LEDs.
has anyone heard/seen any good homemade led lights?
are led lights all that there made out to be?
oh and is there any example circuits i could copy? or am i going to have to start from scratch?

[The_Hunter]

hmm looks good.
It works then! but still i want to build my own led grow lamp.
any ideas guys?

[The Green Man]

i was looking into it myself and found a few bits of info on the subject.

my plan was to get a breadboard http://cpc.farnell.com/jsp/search/browse.jsp;jsessionid=YHNTAFDUCFATBQFIAFAZK0Q?N=41 1&Ntk=gensearch_003&Ntt=breadboard&Ntx=&_requestid=345990 and make a circuit using this calculator http://led.linear1.org/led.wiz then solder the masses of leds and resistors on to it :jawdrop: with a variable voltage transformer for the power supply

you need to make sure your leds are in the correct wavelength, i'll try and find this out for you if i can remember where i got the info from

the main problem for me was getting the right wavelength leds and all the soldering required, in the end i just bought a led bulb but it hasnt arrived yet. fucking ebay rip off merchants

[The_Hunter]

cant you use power leds?
http://www.rapidonline.com/Electronic-Components/Optoelectronics/Power-LEDs/KAD1-9090-SMT-XPower-power-LEDs/78473
found the below link, it maybe useful?
http://www.instructables.com/id/high-power-LED-grow-lights-M.k2/

[The Green Man]

i recon those leds would be pretty good but i've no idea how you would mount them?
i was going to post that instructable actually but i found this too http://www.dabblings.net/subpage2.html

the only info i could find on the wavelength is blue neds to be around 450nm and red 675nm
hth

[The_Hunter]

The most popular and recommended light for all purpose growing is the 25% blue. For faster
vegetative growth, consider the 50 or 75% blue light. For maintenance of current growth and
additional power to help support fruiting, consider the 100% red light

found that on a website. helpful?

http://www.instructables.com/id/Circuits-for-using-High-Power-LED_s/
maybe there is a circuit there we could use?

[The Green Man]

yeah i had read that you need 10-25% percent blue light at all times

i was thinking having a board with 75 blue/25 red for veg then adding another board with 100-150 red for flowering but with the 1w or 3w leds it could be much less

that link looks very interesting but im going to read it tomorrow and let you know what i think.

[The_Hunter]

alright mate.:)

[sxyross2005]

after reading this post i had a look about for led's there going cheap as chips on ebay think the 1's liked were 35 quid for 2 was thinkin i could maybe try and build something with them for my mother/cloning/propergating
does anybody think this is wise ???????

[The Green Man]

well i had a look at that link and tbh I'm not sure how to scale them up for what we want :laugh: but i did find drivers for £2.50 plus p&p so it could work out easier to buy drivers instead of making them

http://cgi.ebay.co.uk/3W-LED-Driver-for-Luxeon-White-Green-Blue_W0QQitemZ380009717122QQihZ025QQcategoryZ36323 QQrdZ1QQcmdZViewItemQQ_trksidZp1713.m153.l1262
you can run up to 5 3w leds obviously we would need more than one and it doesn't say you can run red leds from it

do you know roughly what wattage you want to run? apparently 15w of led would be the equivalent to 120w hps im doubtful of this tho, i'd be looking for at least 30w of led to make it worthwhile for me

[The Green Man]

i have ordered one on march 6th from a seller named led-hydro his shop is called hidden hydro but i have yet to see it. so i wouldnt order one from him just yet

i'll try to remember to post up here when it arrives

[The_Hunter]

alright then mate. let me kno how it goes!:leaf:

[The Green Man]

wtf? did two threads get merged? just to clarify, i had already ordered a light not the drivers

[Dinxuk]

i have ordered one on march 6th from a seller named led-hydro his shop is called hidden hydro but i have yet to see it. so i wouldnt order one from him just yet

i'll try to remember to post up here when it arrives

Anything you order from tom will arrive it usually takes 14 days but hes very reliable.Just send him email ask him when his next batch is due for arrival.He will tell you when its due and give you a better indication of when you will recieve...

[THC Shark]

how cool would your plants look under different coloured L.E.D lights.....awesome. Can't imagine you'd get much growth though.

[The Green Man]

Anything you order from tom will arrive it usually takes 14 days but hes very reliable.Just send him email ask him when his next batch is due for arrival.He will tell you when its due and give you a better indication of when you will recieve...

yup i was going to post up today cos it arrived on saturday :D, he was very helpful when i was talking to him

[The_Hunter]

is the led light any good richie?

[The Green Man]

i dunno yet mate i've not got a fitting for it yet but i'll get one tomorrow and let you know ;)

[The_Hunter]

cheers mate.:leaf:

[The Green Man]

i went to b&q but they didn't have the right type of fitting unless i bought a lamp which will be no use to me
i'll have another look elsewhere tomorrow

[The_Hunter]

bloody b&q all but what you need.

[lkdj2003]

i went to b&q but they didn't have the right type of fitting unless i bought a lamp which will be no use to me
i'll have another look elsewhere tomorrow

Have you tried Screwfix (http://www.screwfix.com/app/sfd/cat/home-main.jsp?&cm_mmc=Google-_-Trademarked%20Terms-_-Screwfix%20-%20Trademarked%20Terms-_-screwfix) , just an idea. :toke:

[The Green Man]

Have you tried Screwfix (http://www.screwfix.com/app/sfd/cat/home-main.jsp?&cm_mmc=Google-_-Trademarked%20Terms-_-Screwfix%20-%20Trademarked%20Terms-_-screwfix) , just an idea. :toke:

just had a look with no luck :rolleyes: cheers tho

i might need to go back and buy the lamp to rip open for the fitting

[The Green Man]

right i got a fitting today so heres the pics i promised

http://i81.photobucket.com/albums/j236/uncleboab/100_2402.jpg
one one the roof of my loft
http://i81.photobucket.com/albums/j236/uncleboab/100_2403.jpg

a rough count was 20 blue bulbs and 128 red bulbs

my hps kills the light from it so i wont be using it for now

[Helping Hand]

Google: What is watts in lighting? The top one "Lighting" will tell you watts is the amount of work done. (unless you are a half watt, or is it wit?) :barmy: Watts is how the electric measures your electric usage by the amount of work it has done. Lumens is how you measure brightness not watts !!!

As far as plants, wavelengths is what is need for growth and flowering.
NOT HOW BRIGHT IT IS TO HUMAN EYES.

If you are growing plants indoors, then the color of the light that your grow light emits is quite vital to your plant's health. Young plants at the seeding stage require blue light in order to grow properly. Mature plants, such as a flowering or fruiting plants, require red, yellow and orange light in order to get the plant to produce the flowering and fruit that you want.
All of this is dependent on the light that you use with your plants. LED Lamps come in a wide variety of colors, so it is easy to get the exact grow lamps you need in order to get the results you want from your indoor plants.

I hope this has helped in understanding LED's.

Look at this pic. This is really Bright !!
http://ultraledlights.com/grow_light.jpg

[mr_stauf]

Has anybody heard anything about this new grow light.
The Procyon 100 LED Grow light, its supposed to give out the same as a 400w hps
http://homegrownlights.com/100W.html

Ive just done a search on ebay and their £300, i dont think ill be getting one anytime soon ill stick to my 600w digi for quite some time.

[Hashassin]

I still remember some Overgrow person spending several thousand $ on LED lights that were meant to be equivalent to a 400W HPS, and discovering they were total crap for growing weed.. I doubt those are much different. Makers of growlights usually only use the relative red and blue output when comparing their lights to HIDs, which is going to be completely different to real world results where plants are using almost all of the visible light..

[Hashassin]

Found a thread on cannabis.com with a grow using three of those Procyon lights.. they seem happy with the flowering so far but I'd be well pissed off personally if $1800 worth of lights was giving stretched out skinny buds. A single 400W HPS would give a bigger yield than it looks like they're going to get with 375W of LEDs.