LED Grow Light - MultiBlog for All

Rasser

Active Member
Hi.

I thought I would start a thread where people, that feel starting a entire thread is over the top,
but still have a related subject to share, maybe not necessary a serious topic but related somehow
to LED grow light or LED's in general. The first two pictures are an example of that -not worth starting
a thread over but still deserves some attention, and for the grow status I'm to lazy to keep a good detailed grow log.

Directly from the dance floor of my girls training class.

Holding a looking glass under the light and focusing can make some nice effects on the floor.

Eye of the storm:

Picture of the red LED that was under the microscope, seen though a cardboard tube.


Grow Status:

4xWhite widows femi. and 4xNorthen lights reg.



4xWW under the 120W LED and semi illuminated by a 250W hps that is finishing my 3 blooming girls with doubtful herma DNA.


I'm looking at these leafs and I don't know where to eat them smoke them or kiss them, I see lips all over the place.



I grow in seed soil and use very little fertilizer, tap water(mix of cold and warm) boring as hell, if your interested in chemistry.

Light damage from a earlier stage visible on the tips of two leafs.


The Spitfire(NL) that was in the infirmary(3x1W LED spot) has recovered nicely
and is in a CFL hangar waiting on the 10W LED flood lights.



And that was that...
 

Rasser

Active Member
Found this post today. Apparently one LED company in the States already has licensing on it's use. http://www.extremetech.com/computing/131656-the-fanless-heatsink-silent-dust-immune-and-almost-ready-for-prime-time

Thought it was worth some exposure, as this tech will bring down; wattage, heat, noise, and materials used in manufacture.
Sincerely,
ILovePlants
Quiet interesting, and very related, not yet on the marked, not worth starting a thread over kind of gadget, thanks.
 

IlovePlants

Well-Known Member
Aren't those things just great little products though? I'm getting the 30w ones in mass next month to finish out the flowering room, and finally move my fluorescent lights out for good! Are you getting ready to make that vegging room with shade separators Rasser? Looks like your plants will be having a great time if you do! Great thread!
+Rep to Rasser

ILovePlants
 

Rasser

Active Member
I wonder what medical LED condition I'm suffering from :-)

THE SUN:
A 10W 660nm LED seen through one of th binocular optics-cones.



THE PYRAMIDS:
A 10W 660nm LED and a binocular optics mirror/lens.



THE LED ALTAR:
Two AA LED flashlights flanks the test bench, what's missing is a spark of electricity between the two pillars - that would look freakishly spooky.



Grow update pictures:

Vegging.



Flowering. 3 out of 4 of the regular seeds turned male, so now I have 1 female regular Norther Light and 4 feminized female white widows blooming in a 90x90cm tent under 2x Apollo 5 1/2's :-).


 

FranJan

Well-Known Member
Wow! Look at that Northern Lights take off! I gotta grow some of the "classics" one day.

Nice job Rasser. Plants are looking super healthy. I'm surprised you're not using CO2, being a man of science and all :).
 

Rasser

Active Member
Aren't those things just great little products though? I'm getting the 30w ones in mass next month to finish out the flowering room, and finally move my fluorescent lights out for good! Are you getting ready to make that vegging room with shade separators Rasser? Looks like your plants will be having a great time if you do! Great thread!
+Rep to Rasser

ILovePlants
Looks like I've missed this post sorry.

I've been waiting the last couple of days for 8 seedling to sprout
and yesterday a very tiny and yellow seedling reached to surface, and alerting me
to the all to wet soil, so I started digging for the rest of the sprouts and found
them 1-2 inches down suffocating and in poor condition.

I quickly put them under the micro-veg treatment and all sprouts are recovering nicely.

I think the 10W White LED flood lights are to tiny for a real Veg-station 0-4 weeks,
but time will tell what they can do, and the results of the RGB running with "plant light" at 6W vs.
the "White" at 9W is also going to be fun to watch.


 

Rasser

Active Member
Wow! Look at that Northern Lights take off! I gotta grow some of the "classics" one day.

Nice job Rasser. Plants are looking super healthy. I'm surprised you're not using CO2, being a man of science and all :).
Thanks !

Imagine my sadness when I had to kill the two males that was even bigger than the female.

The remaining male is on the balcony where it is wondering what the hell happen to the nice sunshine
and is stretching as hell, but is still producing a good amount of pollen, I have collected some in joint tube with caps,
and have already blown some into the tent through the vent to the 5 girls, I see what that will do, or else I start getting serious in the cum shooting field.

I've not looked into the Co2 thing yet, but now that I have the meter to measure the Co2 levels, I'm half way there.
 

Rasser

Active Member
Just saw this video, and in the first minute there is a nice round adjustable light chamber, an idea I was thinking about a year ago, but used CFL bulbs.

Skip the LED's in the bottom and make the bars out of something shinny and use reflecting mylar in between the bars.

[video=youtube;9TafnBAEoOw]http://www.youtube.com/watch?v=9TafnBAEoOw&feature=related[/video]

Edit: Do you think that displaying images of strong male plants on the inside wall will make the flowering female plants yield more buds :-)
 

MajorCoco

Well-Known Member
Great set of "experiments" (you'll enjoy the results from them all I think!) you've got here Rasser. Nice work.
Really looking forward to seeing your side by side comparisons!!!
 

Chronikool

Well-Known Member
Do you think that displaying images of strong male plants on the inside wall will make the flowering female plants yield more buds :-)
HA! I dont see why not. Be careful though...I have seen many people post photos of 'leaf porn'....i mean thats pretty much child pornography in the weed world... :P
 

Rasser

Active Member
I've just finished my second module, and this time placing the vent holes a bit better.
It works great with two 12V 6A switch mode power supply's in series there is a draw of ~ 2000mA from both modules
giving it a power rating of 24 watt per module, and a combined draw of 48 watts and a total draw from the mains of 62W,
14 watts still a bit to much waste, but the ratio should be better when the third module is connected.




Wires what wires it's plumbing for the engines. :-)




And some shots from the flowering tent where time is just passing without me doing much
other than adding water with some ferts every 3-4 days and rotating the four corner plants.

I'm thinking about adding the modules to the tent as side shorts to the lower leafs, they looked as if they could use some light.



 

Rasser

Active Member
Great set of "experiments" (you'll enjoy the results from them all I think!) you've got here Rasser. Nice work.
Really looking forward to seeing your side by side comparisons!!!
Thanks, but since this turned into a emergency operation, I forgot all about 'the duel' and just put afford into getting 8 equal sized plants,
and I was really treating the plants like to early born, helping the capsule off and cutting the first leafs open to get production going
and giving one weakling a special support treatment in standing up right. I use the 10W RGB running plant light to keep the height down
and make them more solid if they looked to thin, switching them around on what box height was easiest.


Image of the seeds and time of placement on wet cloth.


Shots from my unfinished MicroVegStation




Using the 10W flod lights to veg for long time than this, will properly not be good for the plants,
they start to be illuminated with much less than sunshine levels of light, so it's time to put them under
some more powerful lights LED lights. If using one plant for each light and with extra reflection this time will of course be extended.
 

Rasser

Active Member
I placed the 2x4 10W 660nm red LED's in the tent, hanging in mains grade wires up close to the front and back.


image: Units installedImage: Flash & deep red


image: Deep red forest.




image: And then combined, and away then went. :-)


Lets see what this does...
 

Chronikool

Well-Known Member
Excellent Rasser (yet again!) Yeah, i agree with with you about the 10w floodlights, They are the best in the early stages of the plants life. (probably around 2 to 3 weeks old) mine are now used as under the canopy lighting. I have them pointed up the stem of the plant. The big angle of the beam covers a fair chunk of the undergrowth. :

Man, I would love to see your mad scientist laboratory! D
 

Rasser

Active Member
Hi

I made this little bar to further test the concept of mounting the Osram Dragon LED's that are 3-5 time cheaper than a Osram Dragon on a start-pcb,
directly on the heat sink with the pressure from the alu-bar and screws.

The legs on the LED had to be bend upwards so not to touch the sink or alubar, some tape underneath the bar creates isolation
and the black stuff on the heatsink is nonconducting so no tape is underneath the LED's thermal pad.

Image: I Drilled 3.2mm and 5.5mm holes in the bar and is using it to fix the LEDs while soldering.



image: Wires on, never mind the colors.



image: Lights on - testing with 700mA - the passive heatsink is from an old Intel Celeron 300mhz cpu cooler, its not enough to keep the temps down and a fan is needed, no surprise there.




It would off course be a lot easier if one could get the bar finished with pre-drilled holes instead of making it by hand, but
it's looks to be possible to avoid reflow soldering when using this method, and it's possible to making a relative cheap DIY panel with HQ LED's this way.

The LED's used in this test.

Osram Golden Dragon Hyper Red 1.4£ 1 pcs. (1.1£ 10pcs)
http://uk.rs-online.com/web/p/visible-led/7350462/

Osram Golden DRAGON Deep Blue 1.5£
http://uk.rs-online.com/web/p/visible-led/6889519/

But it's a bit time consuming so I'm personally more into getting entire modules or big ass Gastanker style LED chips,
and this is more like therapy until my parts are here for my big grow lights, where water cooling is not totally ruled out right now,
if cheap cooling heads can be found/invented.
 

IlovePlants

Well-Known Member
Found an interesting article in Phys.org about different hormonal pathways and how they interact and command one another. It's fairly convoluted, but it helped me to better understand the plant world around us. http://phys.org/news/2012-07-hormone.html Very interesting how different lighting and temperatures will change what genes are expressed during growth, and inevitably which future offspring will be bred together.

Sincerely,
ILovePlants
 
Top