Full spectrum grow light comparison test - COB vs Red Blue LED vs CFL
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- čas přidán 7. 12. 2017
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We compare the growth of plants under three different full spectrum grow lights. We compare the type of growth and yield from each grow.
Grow lights used:
COB Grow light: MIGRO 100 - 106W
Red/Blue LED: UFO Illuminator - 165W
CFL: Electrox Dual spectrum 250W - 200W consumed
Plants grown: Bedding plants and Lettuce
Spectroradiometer: Asensetek Passport
Quantum sensor: Apogee SQ 500
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Keşke Türkçe altyazılı izleme tuşu çalışsa 🙏
As an engineer, I really appreciate the scientific approach you took to answering the questions. A few notes, though. You positioned the lights above the canopy to achieve a comparable light intensity. However, due to different technology efficiencies, what we really care about is normalizing by energy consumed. For example, the CFL draws almost twice the electrical power as the Migro, so it should have been positioned SQRT(2) = 1.4 times farther away. This way, the results would reflect what would happen given an equal energy input to the different technologies. Additionally, and I'm sure you know this, your color meter really isn't adequate for determining the spectral composition of those lights. I have access to a proper spectrometer through my work, so I tested a bunch of LEDs and CFL tubes out of curiosity. The first thing to note is that expensive "broad spectrum" white LED grow lights are absolutely 100% no different than regular white LEDs. Except for rare scientific specialty LEDs, all white LEDs use a ~460 nm blue base LED along with a fairly typical mix of phosphors. The color temperature is adjusted by changing the amount of phosphor used, and thus the ratio of blue to red/green light. This produces a very sharp narrow spike at 460 nm (blue), and a broad hump from 500 to 600 nm (green to orange). White LEDs don't produce much long wavelength red light (> 650 nm). I have yet to test it, however, given your results here, I believe the best combination will be "cool" white LEDs plus some amount of typical 650 nm red LEDs. This combination will produce Large amounts of blue for vegetative growth, an independently controllable amount of red, for flowering and chlorophyll production, as well as a small to medium amount of mid wavelength greens and oranges. The broad spectrum CFLs tested did produce fairly well balanced light spectra, however the inefficiencies of CFL make me recommended never using them over LEDs.
Thanks for the post. It would be interesting to see the results of your tests.
Very interesting, thanks for the info
out of curiosity could you try/measure the Horticulture LED Lighting from wurth electronics (Würth Elektronik Group) ?
Video starts at 4:00
thank god for people like you
thanks
Hero
Thank you!!! 😩
@@ashleyfalcon125 best man stay top
And this is why we love our eggheads, because of their smart & scientific approach! Many thanks for all the great info.
You helped me a lot, true professional, thank you.
Got mine yesterday. It's a thing of beauty! ;)
It's nice to see unbiased results. Thank you.
Appreciate you taking the time to share with the rest of us (Thumps up)
You my friend are a legend. i love the information you share, really helps a first time grower such as myself. Kudos mate.
How did your first grow turn out?
Well done and interesting comparison! I'm going F/S LED so I'm encouraged by your results!
Love this kind of videos,I liked and subscribe i hope your channel grow as your plants do ;P
Thank you for your support, Take Care
Great video + subliminal message that these lights aren't just good for geraniums and lettuce :) I'm buying one.
As a person who’s done the same experiment, I can say I’ve found the same results. Well done! and there is even more to “lack of green light” when it comes to taller plants. Soon I’ll be doing a grow experiment mixing some white light with red/blue vs all white to see if it can compare. love these tests! Keep it up.
Doesn't all white already have red/blue?
Desert Monk depends on phosphorus used cri kelvin brand of whites,topbin or basement binned epileds or similar, and such but basicly your right but a 3500k does not have enough 660nm and close to no farred.a 3000k has a little more but then less blue and so on with 4000-6500k lesser and lesser red. So dont get me wrong MIGRO 100 And other models have great spectrum and efficiency for a 3500k.
Higher cri means more perfect looking white specs as 90cri-95cri but it also has less lumen and par pr watt in most cases. 70-80cri has broader spec of colours and therefore higher lumen and par cause of 490-580nm ish peaks.
I love my migro but i also wish it had cree xpe he 662nm best efficiency deepred on the market and same with their quite new horticultural specific made farred/nir/ir 720-740nm.
Random Ryan hope u choose cree xpg3 royal blue topbin 81% wpe best on market and up to 2000mA capable but off course less efficient the higher mA used. and as mentioned on here the xpe he 662nm peak topbin c01 not b01 and the farred xpe 1000mA max. Those are by FAR the most efficient and horticulture made leds available in deepred and royal blue anf farred. Peace
Some - but if you look at the spectral chart of a white light diode at say - 5000K, the wave will have one peak in the 450nm range (blue) but the red peak might be below 600nm. However, an LED rated at 2700 or 3000K (esp if CRI is 90 or above), will have a huge amount of 630nm+ to induce VIGOROUS flowering.
Thanks for the detailed response, much appreciated.
I've been watching action grow with your light and it's definitely been impressive!
Joshua irving
Man I appreciate you watching
I a fan of Shane’s side by side as well he always does a great comparison
✊🏼💯🚜💚
LEDGrown MedicalGarden 😎👌 forsure
LEDGrown MedicalGarden no doubt. Peace
Michigan Rootz josua irving?
The Lightworker's Grow series 🤔 lol
I've been growing with Cobbs exclusively for the past 7 or 8 years.
When I switched from HID to Cobbs I literally got double the yield in the same space with the same wattage and you had denser plants generally
Just got an led red/blue light for my plant, so good one on that
This is essentially taking a modern product and comparing it to five and then fifteen year old technology. Plurple lights absolutely do work but they are old and inefficient tech. They also make it notoriously difficult to see issues with your plants until the problem has reached a critical state. It amazes me that manufacturers still get away with charging premium prices for old inefficient tech when modern efficient full spectrum lighting can be had for the same money. Once again a great honest comparison that you are known for, thanks.
who do you think is the best led?
UPINYA Quantum board or COB led. Timbergrowlights have some awesome options for noobs but there’s a lot of different brands and diy solutions out there. Just do some research on growing forums on the differences and best brands.
why purple are old and inefficient if they do the work???more cost?they need more energy?
@@alienchannel2889 They are weak lights, and you need some white & yellow light as well to recreate a sunlike spectrum more accurately.
Also, most of these blurple lights that have a veg&bloom switch, they split the wattage into 2. So if you have a 100w blurple light and you use just the bloom switch, you use only 50w. Also, most of them have fans which take some wattage as well.
You need more these vids !!
Well done bro, great info, I'm from Ireland also, so I understand the lettuce and the pansy's! Lol
Very useful as I'm buying one of those LED's as we speak.
MIGRO is the bigest Food-Dealer Discounter in Switzerland, since 1930 about. 👍🤣🤣🤣👍
This is an excellent experimental design.
Gee thanks for your help and time hard work because between my cobb light 600. And my Mars 600 i know now before too late im changing back to my Mars light thanks
Great job!
Very educational . Thank you.
Great video !! Thank you .
It's all about scattered (photons traveling to many directions) and unscattered (photons traveling to mostly one direction) light. The less scattered it is (hard light that gives hard/crisp shadows), the better/denser the growth, even with much lower wattage. CFL's light is completely scattered, you can understand that by the soft/blurred shadows it makes.
Tanks, this help me a lot 🙂👍🏻
I've had my 100 for 24 hrs and I can see the difference already. Hps binned..too expensive to run.. Migro unit is a superb quality light.. and suits my closet grow perfectly.
steve harvey me too over chili anaheim. Healthy as f#★! and i wil do a solistek 250-262.5w vs migro 106-107w on some strains or tomatoes xhilies basilikum and or lettuce i january:)
Not fair for migro but i bet it will yield max 10-14% less than 250-262,5w solisboost but with better taste and grams/fruitweight pr watt and more coloursand faster also;)
na takie video czekaem
I have been using regular household LED bulbs for a couple years in a mix of 3500, 5000 and 6500k, with about 20 watt power draw per cubic foot of grow space with about 1600 lumens per sq foot about 6-15 inches above the plants. and have good results for starting seedlings, and for plants like lettuce, basil, green onions, cilantro, and even radishes. Fixtures, wiring, and bulbs cost a total of about $5 per sq foot of coverage. This year, I'm going to try to grow to fruiting stage both peppers and tomatoes and determine the cost when growing taller plants in more cubic feet. I am setting up a (dimmable) 260 watt power draw rack of LED tubes making about 30,000 lumens maximum with 4 foot tubes and hope to get about 18 square feet of 4-5 foot tall tomatoes and peppers. Cost is about $90 and I expect pretty good results. I will start at about 1/3 power and increase as the plants grow and I have to raise the lights.
. For me, it is cost- I can supply double the wattage drawn with bulbs and fixtures at less than 1/2 the cost compared to quality dedicated 'grow' lights. It would take many years of use to end up with the cost of using the extra electricity to make up for the extra cost of any decent grow fixture on the market. If I provide more wattage or lumens, it seems like the plants will end up with enough light in the spectrums they need cheaper even if I end up with more of what they don't need.
When you have a product that consumers can ADD to the regular lights they can buy anywhere to illuminate their homes, you will have a product that millions could buy. If you made a LED bulb that just filled the shortfall that 'regular' bulbs don't supply, you would have hit. Consumers don't need an expensive product to produce the same light a cheap shoplight produces. All we need is a light the produces what the cheap lights don't already produce. If I can use two double lamp 4 foot led fixtures from Walmart for $16 each, or even less on Amazon,and one 4 foot tube single lamp in between them to supply what the cheap lamps don't provide, , or to balance out the % of blue/red, I would pay for it.
.
helluva comment
love your vids thank you
Please do a research video about aquarium mosses.
Particularly riccardia moss that is the slowest growing one and you will be drawing all aquatic plant people as your subscribers too🙏🏻
Hi Shane first off as an indoor grower I would like to say thank you for all you do!
I had a quick question that maybe you can answer?
I recently heard about a cmh bulb from sylvania called a powerball with an integrated ballast and I was wondering if you have ever checked these out?
They are a 4000k light so definitely in the proper range for growth but I just have heard little to nothing about them in the grow world?
Very good presentation thanks for the info, it is very inspiring.
Hey! What's Seth Meyers doing talking about grow lights??!! LOL. . . . thanks for the info! Now I know what to buy!
Cheers!
You need all the light wavelength duel lights all the lights plants know their physic’s ❤
Thank you for your video.
Glad to see someone use white surfaces instead of the reflective metal type
Chlorophyll A and B don't absorb green wavelengths (that's why plant matter REFLECTS green). BUT, secondary pigments like carotenoids DO absorb green, and pass the energy to the chlorophyll for photosynthesis. It's really cool to see that represented here in the grow tests!
(It also means that eye watering purple light isn't necessary for intense growth, woohoo!)
Watch our recent video with Dr Bruce Bugbee on our channel. We cover light spectrum and the benefits of green light.
Thanks, the best tutorial
First video I saw about grow lights without reference on cannabis
Other than the fact that that guy looks high as f***
Please Test the "CF Grow" LED Light from Amazon 200w CXB3590 x2 . Ich think its fine. Good components :Cree cxb3590 / meanwell Driver / Weco connectors /ideal holders and 90 ° Lens.
This seems to suggest that, for flowering purposes, it could possibly benefit a setup that is using primarily MIGRO lighting by adding some additional, low wattage far reds.
You sir, are a sevant!
Awesome video! I just watched your video on lights and wish I had seen it a year ago. I’m growing tomatoes in a grow tent and just not having any luck. Last year I’m sure I overwatered and fed. I have three T5 fluorescent ballasts and have been using a mix of blue, red, and white. My electric usage has skyrocketed. Im thinking to change to led lights in these ballasts (with the help of a licensed electrician. What are your thoughts?
i have been telling growers that led and cob will take over !
its funny how they allways say "but my plants are diffrent to yours" its all about how many of them watts reach the plant . would love to know your opinions on the 300ww's available now ! peace and good growing
muchisimas gracias
Solid for the knowledge 💯 watching from New Zealand gathering all the knowledge i can to grow potent frosty skunky 420budz
Very informative
Thank you
Great comparison. Is that full spectrum bulb, the same as a hardwarebstotr bought LED that I'd use at home...? Thanks
What if you were to mix both lights a full spectrum and a red/blue. Would they somehow block each other out
What are your thoughts in LED grow lights for plants that need bright
but INDIRECT light? My anthuriums are getting massive and my windows
wont be giving enough as they get bigger. Would LED be safe to put over
them and not be considered direct sunlight?
Good Info.
Please compare the nutritional values of those tests, is there a Peer-Review of the test specifics ?
Wow this is a little complicated for me as a new grower but appreciate the info.
One thing I was curious about was you mentioned infra red as a measurement of heat and it doesn't contribute to growth? I thought that heat was directly linked to growth, more heat up to a point, equals more growth or better use of light to grow. Cold temps going the opposite way and stunting growth.
I'm a noob so forgive my noobyness if this is a dumb thing to say.
looks dank
I use white LED Spots AND colored LED Spots at 10 inch distance AND several CFLs at four inch distance both in Ceiling AND Horizontal reflectors. Insignificant power consumption. I also use Fox Farm potting soil. Wishing I didn’t water so much. Watering is my nemesis.
I have found CFL’s to as good as LEDs but need to be very close. They don’t produce heat so being close doesn’t hurt the plants.
Maybe look into installing some drip lines ? 1 gallon / hr drip drip drip - put it on a timer controlled valve.
But the CFL had RGB+UV almost identical to the Migro, why would its plants perform so much worse? Is it because of the higher IR from the CFL since it was so close to the plants?
Ir and uv are really important, Bruce bugbee shows this
Yo shane the man.
Where and what cost and so on can i find a spec analyzer like yours at 2min++ ?
And is hydrofarm quantummeters good or is it any cheaper than those that are quite accurate?
People slag off cfl but every grow I have done ive pulled a minimum of 3.5ounces of autos with one 300w dual spectrum cfl
UK WEED GROWER CFL are great if used right, they are amazing for vegetative growth, but struggle a lot with flowering and light penetration with buds and height (even though you can lst but you get what I mean)
You would have much greater results with lights that have much more lumens and penetration, but you can’t knock cfl, they are decent, and pretty dang great for veg like I said earlier
GUYS I GET 3 OZ DRY EACH PLANT USING T5 8TUBES WITH 5 RED TUBES AND 3 BLUE ,,,,REALLY STRONG WEED ,,,BUT BUDS ARE SMALLER THAN HPS ,BUT ROOM COOLER AND LIGHT CLOSER TO PLANTS ...T5 ARE NOT DEAD YET ...
3 oz? lol. get a good HPS and see how much more yield you get. I grow one plant under a 600w HPS and I easily get a pound in a 1x1x2 tent.
@@gunsfreak1994 lol no space.
It's hard to test it this way
Make sure the plants and flowers are all sisters not all seeds are evenly strong
Sorry for my bad english
Perfectly understandable English. Might consider replacing "sisters" with "siblings"-that's more general.
I don't think the lack of green light in the RB LED is necessarily the cause of the slightly lower yield. It could be the decreased Blue or maybe the increased IR. Considering how large the change in Green was between the Migro and RB LED, I feel like there should've been a larger proportional change between the plants.
i'm working with timelapse filming on flowers, what is the best light to grow it up faster my flowers?
I have a xeccon cannalights® smart3522k led grow light which comes witha bloom switch. I've read conflicting info about the use of the bloom switch during vegging of cannabis. I have a 2x2x4 foot tent. Any advice would be appreciated. :)
The UFO put off the best light and the first one which is the lighter light is good as well use both in combination
Would you still made a test with the same UFO today , against latest migro, logic puck , mars hydro etc ?
I would have liked a watt for watt comparison tbh. But yeah, cool!
Fall is comming and I have to bring some plants inside.
I bought a lamp on a stand.
I need to find a grow light with an E26 socket, no purple color, the plant (like a small tree) is in my living room.
I bought a 16W grow light from Feit electric, but the output seems ridiculous, PAR is listed at 20.
I dont' want to grow the small tree, I just want to keep it alive this winter.
Does such a lamp exist with a E26 socket ?
Now I want a salad, that lettuce looked good as phuck.
Haha, sounded crispy right 👅
I'm going to purchase one for my Display Refugium for my saltwater aquarium. grow lights are big in the reefing community. you should gear toward that market.
Ok. Make s note on your order. I will change some galvanised screws for stainless steel ones for your order. I would be worried about corrosion in that environment. Thanks. shane
Hey Shane what do you think about black dog led’s 5w diodes, is it the hummer of leds?
Try adding a power conditioner to your lights for better performance and results.
I would say the 'dual spectrum' CFL was the issue here not because it's a CFL
I am running a nextlight mega 1000 ,with two marshydro sp3000 in a 6by6 tent and wtf? Lol killer cronic!
Nice the test!like! It is cree?
How would the yield differ if you used a combo of 2 of the 3 lights. Would there be a difference?
Recommended you Put Full Spectrum Above, and red-blue along the sides: images-na.ssl-images-amazon.com/images/I/71n6Q7a-YRL._SL1000_.jpg
There's 3. To be sure to be sure to be sure!
I'd love to see a video on the blue spectrum red spectrum and duel spectrum CFL?
Did you see any?
Man you stoned af 😂.
Nice video and comparison, keep it up.
🤫🤣🤣🤣🤣🤣
Nice cant even get that micro light hes using cause if not on the web site!!
i like ur lamp but its so high. how low can i have it ? So far im on hps single spec. and not sure about using full spec on flowering.
I think better cfl to veg growing and flowering led or yours cree? thanks.
what about the led light globe we used in our house?warm white vs cool white.
Sampling size of 1 plant will not be a scientific probability point of view. They should run more replicates per treatment and a statistical analysis be done on the data to make sure that the conclusion made have a more realistic probability.
If I have a full spectrum 10000k light but turn off the blue lights only and leave on the white, red, and green what kelvin would it be now?
So with this info find or make and led light with green in the spectrum
I'm curious, What if you grow with cob led, let them get dense then change to the UFO for the flowering?
It would work
My exact thoughts
What’s a cob led?
I like this idea tho...
@@theprophet_-__cxvii__-_8693 cob is 'chip on board' for example the cree cxb3590.
Wont the room light affect the plants in experimental set up.???.
What if u “make” your own “full spectrum” grow light. I mean..get one led bulb 20 watt 6500k (1800 lumens), another same but 2700k and finally a third one same but 4000k. So three high power led bulbs next to each other?
Would you try a comparison with 70 or 150W HQI lamp ?
if I've 2 lights, 1 with spectrum cfl and another with red and blue red above de same plant, is this better than just red and blue?
what would happen if you combine all 3 lights type under the same plant ?
You can get combination lights, like ones with LEDs + COB lights. You don't really need anything from the 3rd light type here (CFL) because the first two do it better.
I know it was a grow test...but how did the lettuce taste among the three?
good question cuz to properly apply this knowledge to weed that would be some good information
Good point. Increased UV-A may increase oils in plants, but I would imagine the balance of flavor comes from the potting soil / hydroponic micro nutrients
@@SeaJay_Oceans some of the best shit I've tasted came out of "blood and bone" and "seasol seaweed mix".
Organic is the way to go in my opinion, npk fert and other chems give your bud a bad taste.
In Australia it's impossible to find good hydro, it's all pgr grown shit that doesn't get you a buzz and has no smell
@Michel Doucet ?
@@crf80fdarkdays sea bird and bat guano make really stinky buds too
How many plants can be grown in Full Spectrum LED for indoor/outdoor RED(630-660nm) BLUE(440-460nm)?? 50V??
Why don`t you put full spectrum higher, sir? It would be much more intresting demo if full spectrum also light from other room trough the wall. Thanks!
por que pones el cob mucho más alto? si precisamente no dan calor así como los leds? (aunque leds y cobs ambos usan leds)
I just have 3 questions:
1: How is it a side by side comparison if you're not using the same wattage for each test?
2: Does anyone know the best way to roll the lettuce leaves. Do you dry and grind them or roll then like a cigar?
3: Which variety of lettuce do I grow to get the biggest hit?
Echo30Mike the best variety is the devils lettuce!