New to LEDs

joecanna17

Well-Known Member
Hey, @KlosetKush good luck with your first LED build, if you head in that direction...

DIY LED lights really aren't tough to do, and once you do build one, that may likely be your preferred way of lighting from then on.

To clarify, and hopefully help with your final choice, I had some questions about your setup:

I know you said 1.5x2x4ft, I presume 4ft tall? Of that 4ft, how much will be plant material? How much will be head room, and how much container / root room? What grow style and medium? How many plants? Any training? I ask because it seems like a tall, narrow space, so you'll probably want a light with the most penetration, to make the most of all your available foliage.

The QBs are great for even coverage over flat gardens, but my only concern would be whether they can effectively penetrate say, 2ft of plant growth space between canopy and diodes. I'm sure someone who runs them over a horizontal canopy can chime in and let us know what kind of light they get down deep.

If QBs aren't good for 2-3ft, I'd probably look more toward a couple of the condensed COB style LED kits, using diode brands like Vero, Citizen, etc. 2 COBs with 60* lenses should be the most you would need, from what I've seen in others setups. That would give you 1+ COB per sqft, and should reach through your foliage no problem. These condensed COBs do need more headroom for their heat sinks, and more room between foliage though, because the light is so condensed, and more so with focusing lenses, so keep that in mind.

Unfortunately, I can't really give as many experiential specifics with the condensed style COBs, or QBs as I've only personally built fixtures with rigid strips, but they use the same diode as the QBs, and they are nice lights!

You're in a great forum for LED tech here. There's a ton of info, and new stuff every day. Some other places are downright dead compared to RIU for LED info!

If you get into doing these things DIY, you can customize your lights to just about any configuration for your canopy, using the rigid LED strips from companies like Bridgelux or Samsung.

I hope that whole post didn't throw a monkey wrench in your plans for a QB specifically, but I want you to get the best light for your situation, and with all the activity in here already, I'm sure you'll find the answer for your setup soon.

Good luck again!

**I see you just posted, and you can get within a couple inches for sure. I've only seen burn when leaves were lying directly on the diodes for a bit...then, they had little diode sized bleach spots.
 

THT

Well-Known Member
So as the caption said, im new to leds, and would like to know whats the best quality out there.
Now before y'll start linking 1200-1500$ light my budget is about 120-150$ if it can't be done with quality in that amount, let me know so i can save my money and headaches and move on to other things and invest in my garden else where

My box is 1.5x2x4ft with a terrabloom 6 inch inline booster fan.
I live in the south and obviously it's not legal. I need my medicine just like you all do so any and all help is appreciated and well noted.

Thanks!!
Hi there, I have a cheap (~90$) Chinese made COB that produces great results. Here is the link to my thread
http://rollitup.org/t/speed-haze-with-a-cheap-cob.953948/
 

KlosetKush

Active Member
Hey, @KlosetKush good luck with your first LED build, if you head in that direction...

DIY LED lights really aren't tough to do, and once you do build one, that may likely be your preferred way of lighting from then on.

To clarify, and hopefully help with your final choice, I had some questions about your setup:

I know you said 1.5x2x4ft, I presume 4ft tall? Of that 4ft, how much will be plant material? How much will be head room, and how much container / root room? What grow style and medium? How many plants? Any training? I ask because it seems like a tall, narrow space, so you'll probably want a light with the most penetration, to make the most of all your available foliage.

The QBs are great for even coverage over flat gardens, but my only concern would be whether they can effectively penetrate say, 2ft of plant growth space between canopy and diodes. I'm sure someone who runs them over a horizontal canopy can chime in and let us know what kind of light they get down deep.

If QBs aren't good for 2-3ft, I'd probably look more toward a couple of the condensed COB style LED kits, using diode brands like Vero, Citizen, etc. 2 COBs with 60* lenses should be the most you would need, from what I've seen in others setups. That would give you 1+ COB per sqft, and should reach through your foliage no problem. These condensed COBs do need more headroom for their heat sinks, and more room between foliage though, because the light is so condensed, and more so with focusing lenses, so keep that in mind.

Unfortunately, I can't really give as many experiential specifics with the condensed style COBs, or QBs as I've only personally built fixtures with rigid strips, but they use the same diode as the QBs, and they are nice lights!

You're in a great forum for LED tech here. There's a ton of info, and new stuff every day. Some other places are downright dead compared to RIU for LED info!

If you get into doing these things DIY, you can customize your lights to just about any configuration for your canopy, using the rigid LED strips from companies like Bridgelux or Samsung.

I hope that whole post didn't throw a monkey wrench in your plans for a QB specifically, but I want you to get the best light for your situation, and with all the activity in here already, I'm sure you'll find the answer for your setup soon.

Good luck again!

**I see you just posted, and you can get within a couple inches for sure. I've only seen burn when leaves were lying directly on the diodes for a bit...then, they had little diode sized bleach spots.

Okay so
Medium is fox farms ocean forest soil with some extra perlite thrown in
So as for my plant material I'm looking at 2.5 to 3 ft max but my box is 42 inches tall total
My container I want to grow 1 single autoflower in a 6-8" pot max so 1.5 to 2 gallons
As for style and training I plan to run a scrog attempt this time along with some lst training
I can provide pics of the box if anyone'
Interested
 

KlosetKush

Active Member
Hey, @KlosetKush good luck with your first LED build, if you head in that direction...

DIY LED lights really aren't tough to do, and once you do build one, that may likely be your preferred way of lighting from then on.

To clarify, and hopefully help with your final choice, I had some questions about your setup:

I know you said 1.5x2x4ft, I presume 4ft tall? Of that 4ft, how much will be plant material? How much will be head room, and how much container / root room? What grow style and medium? How many plants? Any training? I ask because it seems like a tall, narrow space, so you'll probably want a light with the most penetration, to make the most of all your available foliage.

The QBs are great for even coverage over flat gardens, but my only concern would be whether they can effectively penetrate say, 2ft of plant growth space between canopy and diodes. I'm sure someone who runs them over a horizontal canopy can chime in and let us know what kind of light they get down deep.

If QBs aren't good for 2-3ft, I'd probably look more toward a couple of the condensed COB style LED kits, using diode brands like Vero, Citizen, etc. 2 COBs with 60* lenses should be the most you would need, from what I've seen in others setups. That would give you 1+ COB per sqft, and should reach through your foliage no problem. These condensed COBs do need more headroom for their heat sinks, and more room between foliage though, because the light is so condensed, and more so with focusing lenses, so keep that in mind.

Unfortunately, I can't really give as many experiential specifics with the condensed style COBs, or QBs as I've only personally built fixtures with rigid strips, but they use the same diode as the QBs, and they are nice lights!

You're in a great forum for LED tech here. There's a ton of info, and new stuff every day. Some other places are downright dead compared to RIU for LED info!

If you get into doing these things DIY, you can customize your lights to just about any configuration for your canopy, using the rigid LED strips from companies like Bridgelux or Samsung.

I hope that whole post didn't throw a monkey wrench in your plans for a QB specifically, but I want you to get the best light for your situation, and with all the activity in here already, I'm sure you'll find the answer for your setup soon.

Good luck again!

**I see you just posted, and you can get within a couple inches for sure. I've only seen burn when leaves were lying directly on the diodes for a bit...then, they had little diode sized bleach spots.
Only kicker is I have to have a foot of head room at the top so that I can put my 6 inch fan ducting and power supply but I can MacGyver anything to fit really
 

Olive Drab Green

Well-Known Member
So as the caption said, im new to leds, and would like to know whats the best quality out there.
Now before y'll start linking 1200-1500$ light my budget is about 120-150$ if it can't be done with quality in that amount, let me know so i can save my money and headaches and move on to other things and invest in my garden else where

My box is 1.5x2x4ft with a terrabloom 6 inch inline booster fan.
I live in the south and obviously it's not legal. I need my medicine just like you all do so any and all help is appreciated and well noted.

Thanks!!
http://www.timbergrowlights.com/

COBs are the only viable route for LEDs. Get either one of their smaller fixtures, or if you get their pre-assembled COB kits, all you need is to mount them to a frame and you’re set. Coupon code “RIU” for $25 off.

The 4-emitter Citizen 1818s are like, $199, then minus $25.
 
Last edited:

NanoGadget

Well-Known Member
http://www.timbergrowlights.com/

COBs are the only viable route for LEDs. Get either one of their smaller fixtures, or if you get their pre-assembled COB kits, all you need is mount them to a frame and you’re set. Coupon code “RIU” for 25% off.
Could you explain to me why a 288 and a mean well driver is not a viable light? Cited sources are helpful.
 

KlosetKush

Active Member
Dude this is all so over whelming, I just want a light that yields decent as I'm just starting, im not trying to get rapped up in all the fancy cree lights and what not. I just need a good light that powerful enough to run one medium sized plant:bigjoint:
 

Olive Drab Green

Well-Known Member
Dude this is all so over whelming, I just want a light that yields decent as I'm just starting, im not trying to get rapped up in all the fancy cree lights and what not. I just need a good light that powerful enough to run one medium sized plant:bigjoint:
It’s not about fancy. I’m trying to make sure you don’t waste your money like I did. I bought 2 ViparSpectra V450 blurple board bullshits with a draw of 206w each for an output of ~420 PPFD each. Then I got one 89w COB and it put out more than double that. Go with COBs.

600w HPS: 1000-1200 PPFD.

200-240w of COB: 1000-1200+ PPFD

ViparSpectra V450: 420 PPFD
 

NanoGadget

Well-Known Member
It’s not about fancy. I’m trying to make sure you don’t waste your money like I did. I bought 2 ViparSpectra V450 blurple board bullshits with a draw of 206w each for an output of ~420 PPFD each. Then I got one 89w COB and it put out more than double that. Go with COBs.

600w HPS: 1000-1200 PPFD.

200-240w of COB: 1000-1200+ PPFD

ViparSpectra V450: 420 PPFD
In the size space he is growing in I don't think you can go wrong with the 135w kit from HLG. And it takes up less headroom than a cob frame.
 

KlosetKush

Active Member
So understanding what you'e saying and what @joecanna17 has said is basically QBs are not for me because they are better for wide spread plant canopys. So I figure that a cob might suit me better considering it will have better penetration for my plant that will have to grow more taller than wider. Am I right or completey wrong?
 

NanoGadget

Well-Known Member
Nobody has been telling him to buy a blurple. He had pretty much decided on an hlg qb like 2 pages ago until people who didn't read the thread started over complicating things.
 

KlosetKush

Active Member
In the size space he is growing in I don't think you can go wrong with the 135w kit from HLG. And it takes up less headroom than a cob frame.
Do you think the penetration later on in the grow say later flowering when my plant is 1.5 to 2 get tall will lack with a QB hurting my yields? I' all for the HLG QB as long as the penetration will be as least sufficient enough. I' not looking for 12 grams popcorn mugs on the bottom ya know. The cob route as you were saying is more bulky and complicated
 

Olive Drab Green

Well-Known Member
So understanding what you'e saying and what @joecanna17 has said is basically QBs are not for me because they are better for wide spread plant canopys. So I figure that a cob might suit me better considering it will have better penetration for my plant that will have to grow more taller than wider. Am I right or completey wrong?
Especially in the space you’re using, I think COBs are definitely the route you want to go. I’d say this is spot on.
 
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