Lighting Best light for single plant in 2x2.5?

[jmcwhorterj69]

Hi guys, im downsizing my tent to 2x2.5x6 gg lite and want to know what you recommend for growing 1 big autoflower....... 2 autocobs, hlg 135 r spec, 2 chilLED logic pucks or 2 chilLED x1 minis? I will grow in coco using MC. Thanks in advance.

 

[elcoloan]

All great options! The HLG seems to be the best bang for buck at first glance.

This lst can give you more stuff to consider: https://www.autoflower.org/threads/ppfd-watt-grow-light-buying-reference.79891/

 

[MI_sterGreen]

Hi guys, im downsizing my tent to 2x2.5x6 gg lite and want to know what you recommend for growing 1 big autoflower....... 2 autocobs, hlg 135 r spec, 2 chilLED logic pucks or 2 chilLED x1 minis? I will grow in coco using MC. Thanks in advance.

I have the same tent. The HLG 135rspec did great in that space. Here's some pics from a single plant I grew.

 

[jmcwhorterj69]

What did you yield?

 

[MI_sterGreen]

If I remember correctly it was right about 100g of top shelf buds. The rest i didn't weigh

 

[jmcwhorterj69]

Ok im still stuck. I ask because it seem as if the autocobs average way better than a gram per watt. @BigSm0 . Help me understand.

 

[Dr Fluff]

This is something I was asking my self recently!

I needed a new light for one of my 2' x 2' tents, so I started to look round for something with high efficiency, as electricity price spiral in the UK, I need the best bang for my buck when it come to efficiency.

In the end it was betweenthe HLG Rspec and a MIGRO ARAY + RED PRO, but which to choose??

Well to cut along story short I plumped for the MIGRO ARAY + RED PRO, for the following reasons.

The two lights are about £10 apart from each other with the MIGRO costing that little more but Imagine there will also be shipping cost for the HLG from the USA, which would push it up to cost more than the MIGRO Light.

THE MIGRO light has 30W more power and is also is dim-able, where as the Rspec is no designed as dim-able, although you maybe able to adjust in with a screwdriver???

The MIGRO Light can be expanded by adding more light strips and connecting bars and jointly controlled from one controller.

The recommened hanging height for the MIGRO is 6" compared to the HLG which is 12", this is important as My 2' x 2' are only 4' tall.

The MIGRO ARAY + RED PRO has has 50 more LED's per bar added to the standard Aray 2 Red, this means the individual LED's are run at a lower power, will last longer and produce less heat meaning they are more efficient and can be hung lower.

The HLG has just a little more in the efficiency stake but it is barely any to get worked up about.

HLG 100 Rspec - 2.41* μmol/joule

MIGRO ARAY + RED PRO - 2.37umol/watt

μmol/J stands for micromole per Joule. It is a measurement to determine how efficient a light is at converting electrons into photons. A Joule can be defined as the work required to produce one Watt of power for one second. Therefore, in turn, the efficiency of a light source can be defined as the quantity of light output (µmol/s) per Watt. So the efficiency can be written in two slightly different ways, μmol/joule & umol/watt but the efficiencies are totally comparable, just as I previously mentioned,they are written slightly differently.

Another factor is the MIGRO lights are made and shipped from Ireland just accoss the water from good old Blighty (UK). Mean any warranty issues can be resolved much faster for me, a US buyer might think the same of the HLG light in this regard.

Shane the owner of MIGRO has a Youtube channel and reviews many lights from across the globe, always giving fair and impartial reviews and efficiency data. He has a video on which light is best for a 2' x 2' but is memory serves the Rspec isn't in that video, not sure why?

The guy is a total dude when is comes to LED reviws, well worth checking out!

Finally here's the twist in the tail, seeing as i already have a "Mean Well HBG-100-36B" Round Driver designed to go atop a circular pinned heatsink.

I also have the pinned heatsink which is over sized for excellent cooling. so all there was left to do was go tio "Kingbright" (China) and grab a CREE CXB3590 COB 3500K , holder & reflector kit for £20 and I can put together a 100W COB and see how the two lights compare, I will of course turn the ARAY 2 + PRO RED down to 100w for the comparison.

As much as I like and have also built COB lights in the past, their efficiency doesn't match the newer quantum style lights for efficiency.

One reason is the COB chips are so close together, it makes it harder to dissipate the heat and no one wants a noisy fan helping out cool things down, another reason is the spread of light across the grow space and the heights you need to achieve the correct intensity vs canopy spread.

Don't get me wrong though, COB's will grow a fine crop, I know from experience!

For me though, efficient is my main reason for choosing a light, however I 'm still building a 100W COB none the less.

It will be a handy replacement, if my MIGRO Aray should ever have an unexpected problem, it can also be used to start young seedlings for the next grow (I forgot to mention the COB will be dim-able) and finally when not in USE the COB packs away in a tiny space.

I hope this is of some help

Arty

 

[jdm61]

This is something I was asking my self recently!

I needed a new light for one of my 2' x 2' tents, so I started to look round for something with high efficiency, as electricity price spiral in the UK, I need the best bang for my buck when it come to efficiency.

In the end it was betweenthe HLG Rspec and a MIGRO ARAY + RED PRO, but which to choose??

Well to cut along story short I plumped for the MIGRO ARAY + RED PRO, for the following reasons.

The two lights are about £10 apart from each other with the MIGRO costing that little more but Imagine there will also be shipping cost for the HLG from the USA, which would push it up to cost more than the MIGRO Light.

THE MIGRO light has 30W more power and is also is dim-able, where as the Rspec is no designed as dim-able, although you maybe able to adjust in with a screwdriver???

The MIGRO Light can be expanded by adding more light strips and connecting bars and jointly controlled from one controller.

The recommened hanging height for the MIGRO is 6" compared to the HLG which is 12", this is important as My 2' x 2' are only 4' tall.

The MIGRO ARAY + RED PRO has has 50 more LED's per bar added to the standard Aray 2 Red, this means the individual LED's are run at a lower power, will last longer and produce less heat meaning they are more efficient and can be hung lower.

The HLG has just a little more in the efficiency stake but it is barely any to get worked up about.

HLG 100 Rspec - 2.41* μmol/joule

MIGRO ARAY + RED PRO - 2.37umol/watt

μmol/J stands for micromole per Joule. It is a measurement to determine how efficient a light is at converting electrons into photons. A Joule can be defined as the work required to produce one Watt of power for one second. Therefore, in turn, the efficiency of a light source can be defined as the quantity of light output (µmol/s) per Watt. So the efficiency can be written in two slightly different ways, μmol/joule & umol/watt but the efficiencies are totally comparable, just as I previously mentioned,they are written slightly differently.

Another factor is the MIGRO lights are made and shipped from Ireland just accoss the water from good old Blighty (UK). Mean any warranty issues can be resolved much faster for me, a US buyer might think the same of the HLG light in this regard.

Shane the owner of MIGRO has a Youtube channel and reviews many lights from across the globe, always giving fair and impartial reviews and efficiency data. He has a video on which light is best for a 2' x 2' but is memory serves the Rspec isn't in that video, not sure why?

The guy is a total dude when is comes to LED reviws, well worth checking out!

Finally here's the twist in the tail, seeing as i already have a "Mean Well HBG-100-36B" Round Driver designed to go atop a circular pinned heatsink.

I also have the pinned heatsink which is over sized for excellent cooling. so all there was left to do was go tio "Kingbright" (China) and grab a CREE CXB3590 COB 3500K , holder & reflector kit for £20 and I can put together a 100W COB and see how the two lights compare, I will of course turn the ARAY 2 + PRO RED down to 100w for the comparison.

As much as I like and have also built COB lights in the past, their efficiency doesn't match the newer quantum style lights for efficiency.

One reason is the COB chips are so close together, it makes it harder to dissipate the heat and no one wants a noisy fan helping out cool things down, another reason is the spread of light across the grow space and the heights you need to achieve the correct intensity vs canopy spread.

Don't get me wrong though, COB's will grow a fine crop, I know from experience!

For me though, efficient is my main reason for choosing a light, however I 'm still building a 100W COB none the less.

It will be a handy replacement, if my MIGRO Aray should ever have an unexpected problem, it can also be used to start young seedlings for the next grow (I forgot to mention the COB will be dim-able) and finally when not in USE the COB packs away in a tiny space.

I hope this is of some help

Arty

The reason that the HLG100 Rspec may not have been in the review video is that it is a relatively new product. Used to be, you had to go up to the HLG135 to get the red diodes. Right now you can get a 150w with red and blue diodes for $179 in the US. Unfortunately, the single QB 200W light using the 648 Diablo board for $179 was probably a "loss leader" promo and has been discontinued and replaced by the HLG150 "Patriot." Wish I had known that.