LED Grow Light dimmer settings | Power | PAR | Efficiency | Growth Stages
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- เผยแพร่เมื่อ 30 ก.ย. 2024
- A simple guide to the best dimmer settings for LED grow lights.
Seedlings to week 2: 20%
Week 2 to 4 : 40%
Week 4 to 5: 60% - 80%
Week 6 onwards through flower: 100%
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Great video even mentioning autoflowers. Your a hero in the grow light scene and I appreciate the effort and quality you put into each video.
I am on my 3rd grow and have the 1st gen Migro Array 2. All I can say is that I am over the moon with it. The guys in Migro were very helpful with advice on set up and grow stages etc as I was a complete noob. Cannot recommend Shane and the lads in Migro enough!!!
Anyone playing with a smart dimmer to ramp up and down throughout the DAY? So mimicking nature... something like 2hrs @25%, 2hrs @50%, 2hrs @75% 4hrs @100% 2hrs @75%, 2hrs @50%, 2hrs @25% Based on a Dr Bugbee video regarding stomatal conductance (or something like that) and how plants basically don't photosynthesize at full capability when lights turn on, and actually slow down before the lights turn off... The above scenario would equal 62% light for the entire 16 hr light cycle, but something tells me the more natural progression and regression would trigger less stress and even use electricity more efficiently because the plant is photosynthesizing more efficiently at these times of the day
Can I lower light towards plant on 20% dimming for 1 plant to get more par without raising wattage equalling to higher electric costs? Thanks shane
yes , the par charts shown make you think it has to be far away , but 8 to 10 inches is fine , shane confirmed it
@@sinister-monopoly4758 this for any light the same principle
Going to 100K by the end of June at this rate 😎
I probably recommended your name two times yesterday in chats... and another five times the last week.
Thanks, much appreciated
100 %, constantly invoking the name of Shane👍
@@MIGROLIGHT Can you tell me when to use the UV and far red on my Growealth 480 watt light.
Awesome vid. Thanks for the information. How about hang hight vs dimmer level. I usually keep my hight the same - and use the dimmer to control the level. Show you also move the hang hight + dimm to suit ?
Thats the best way👏
I appreciate the video , however I don’t believe this is correct , I simply just blast my clones / seedlings at 100% from day one and they thrive . And it’s not diminished returns because you will be running yours at 40% 60% 80% for more days than I just run mine at 100% and I’m ready to flower sooner with bigger trees . It’s just a myth that they need to gradually go up , outside in my garden on a clear day new plants get 2000 par straight away . Why is it any different with LEDs
I hope you make good money doing these videos because EVERYONE watches your vids.
Great way to break it down to simplicity. Currently growing with dimming LED lights and certainly appreciate the technology.
Glad it was helpful!
Phantom 440 Having a hard time finding a sweet spot calls for 36 inches.
The manual of my Array 4 +red calls for 50cm height and 75% power setting during vege. The way it's advised in this vid seems to save power though. Any problems with using the Array 4 +Red that way?
im confused on this also . why not have them 10 inches away all the time ?
I changed the dimmer adjustment to fixed increments for higher accuracy instead of a bit of guesswork with the old continuous dimmer. I am now updating the PAR charts and manual to suit. I debated with myself over my gut instinct to raise higher for seedlings, tested with the new dimmer and I am now happy to recommend the same hanging height for all stages. Sorry for the confusion caused by me. Thanks, Shane
Exactly what I needed right now! I just started my first 2x4 setup and things are looking great, heading into week 4. I got me an ARAY 4 and it's the perfect fit for a 2x4. Good to know that my intuition was right when I increased the light intensity by 20% ~per week until now.
I have one question Shane: Can I disconnect one unit of my ARAY 4 from the driver, so that I'm using just half the lamp and therefore half the power, in seedling/early veg stage? If that's the case, then it's one of the best lights on the market if you live in an area with high energy costs (🇩🇪...)
Thank you so much for your work! Your charts and comparisons gave me the confidence to decide for a product and finally get my first homegrown tomatoes going!
yes u can have just 1 panel on . just disconnect one from the splitters
Not quite on Topic, But I rang Lumatek and checked if it was OK to remove bars on my 600w Pro and they confirmed it was. saved me a lot of energy starting on one bar at 25% just need to to add a heated propagator for the first week with the lid on and then another week with the lid removed at 50%, before transplanting and adding another bar and turning the power up.
Can I use the lumatek Zeus 600w pro 2.9 at a 100% in a 120cm*120cm tent, when growing auto flowers.
only if its on cieling of tent
Yes, but monitor the growth. Prob be better recommended at 80% until you know when it needs 100%
You'll know when you see that the plant can handle 80% for long enough... then increase dimmer gradually to 100
Hey could you tell what those panels are surrounding the light?
Is the Aray 1 L coming back anytime soon?
First time with leds and the aray 8 is fantastic 👌
i just done my first run with same , best bud ever tasted but lowest yield by far
@@sinister-monopoly4758 really what strain did you run ? I've run vanilla frosting this time and I'm 5 weeks in flower and there looking good but not huge I will try soon with one of my favourites super skunk #1 I know how much I can pull with hps off them so like to see the difference with led im also ordering the uvb this weekend as these days I'm chasing quality 😀
thanks Shane
Loving my migro aray 4.
Have a question regarding your statement to run the Array2 at full throttle even for Autos.
But on a 20/4 schedule at 16cm hanging hight I will end up on DLI levels way beyond non CO2 supplemented scenarios. What am I mssing?
Congrats on the Trimleaf collab, great to see your lights gaining popularity. I know I love my @migrolight,go Shane!
I think it's cheaper to buy them from Shane still, I bought an Aray4 two or three months ago. I paid in total about $30 CAD less than Trimleaf's price before tax. With tax included, I think Trimleaf would cost 100 bucks CAD more than buying direct from Shane.
@@roywarriner8441 agreed
@@Mainewoodsgrow I took a look at their site, no deals there.
Thank you for the video. Exactly what i need right now. I need some expert help. I have one Lumatek 300w ATTIS led lamp that I use inside a 60/60/140cm tent for now (I also have one tent 100/100/200cm that I can't install due to space restrictions) My questions is: How should I use your research to apply to my case. The lamp fits inside the tent from side to side, the temp it's in range. Today the plants (autos) are 14 days above ground. Plants look healthy (12-13 cm). The lamp is on 20% @20 cm. Should I Increase the distance or should I keep the lamp on lower settings for longer time. Let's say 20% until week 3, 40% until week 5 or 6, 60% until week 7 or 8 and finish with 80%. Would that work? I don't have to much height to use and I prefer to keep the lamp closer to the canopy if that it's ok (max 30cm)
I took you're advice on the vipraspectra xs1500 pro new gen, I use my dimmer to trying replicate the sunshine as it comes up and down again
Hi, saw a lot of your videos recently. Can you help me to choose between a lumatek zeus 600 and spider farmer se7000 for a 5x5 ? Which one is better please ?
Since drivers are run more efficiently at full power and LED's are more efficient at lower power it seems that if efficacy iis a priority they should start adding more diodes to the lights. Or they could use smaller drivers. Seems like the drivers are a place for improvement. Maybe they could develop a variable driver that could actually be run at different outputs but somehow always working at max capacity.
i'd love to see this video with spectrum comparisons.
any spectrum chart always shows at 100% power?
thanks for the vid
we hv to know now this ex for how much hours on / off ? i think will chnged >> 12/12 --16/8
Thank you 🙏great info. And thanks for touching bases for auto😉
Hey migro what u doing with all that light after testing it, if u don't mind u can send to me 😊
Did Maxsisun go bankrupt
They stopped trading last year
Great video. I will keep the hanging height same for veg and flower from now on
So 100 par to PPFD IS HOW MUCH ? OR IN TO LUX
Hi, is there a similar chart for the Aray 4 (250 W)
Hey can you do a review and study on grow light movers
Talk about a post to make your day 😊 Migro for the win 🔥
Thanks! @ 6:00 told me what I was looking for.
Hello Shane, and thanks for sharing all your excellent knowledge. I have a question regarding this subject; what are the optimal PAR / PPFD settings for the 3 main stages of the cannabis life cycle? i.e. seedlings, veg state, and flowering.
Hi, about 300 for seedlings, 500 for VEG and 800 for flowering.
Good one Shane.. Thanks growbro.🌱
I've been waiting for this on the array 2 I would like to see a curve showing how par can drop of at different distances but I fear this depends on the light but we could compare the curves I guess
You should maintain the optimum hanging height and adjust the dimmer to change average PAR intensity. This is the most efficient way. Hanging higher just wastes PAR
@MIGRO what if I'm growing autoflower in an 80cm by 80cm reflective area. If I have lights on 18 hours to reach recommended DLI. Would you recommend a higher height for the coverage?
@@CARLHPMA they defo dont need as much light as photo periods
@SINISTER -MONOPOLY they need roughly the same daily light integral but with 18 hours of light you don't need as high of a par reading so I thought I could raise the light to 20/30 cm so it covers a larger canopy
@@CARLHPMA If you don't have a dimer and they are getting to much light, then yes.
I'm saying with the array 8 don't go under a 12 -14 inch whilst vegging coz the far red causes probs imo that close
Hi,
There is only about 2% far red in the ARAY 8, you can keep the fixture at 11" on 50% power for vegging.
Thanks
Cool video Shane is a legend
Hi Shane, is there a dimmer on the market that would work with a mars hydro fc3000? The dimmer on mine is faulty and mars hydro are sending me round the block trying to get the issue sorted, so im thinking of getting a dimmer myself
Great video 👍
Any electronic store will have a new potentiometer(inside knob control).. it's an easy fix, if that's your problem..the contacts have a habit of becoming contaminated or corroded in damp tents👍
Nice bit of info. Cheers
I am really curious to see the relation between dimming and efficiency for the aray 4 now!
Hi,
There is barely any difference in efficiency when dimming.
Thanks.
Hey what light like the one in the beginning of the video for a 4x2 tent thank you sir
Hi, the ARAY 4, link here: migrolight.com/collections/all/products/migro-aray-4-140w-265w#
If I run a 400 watt led light at 50%,the lower running temp will extend the lifespan of the LEDs themselves,but at the same time I'm causing my driver to run less efficient, according to what was just said here.
Does that mean I'm shortening the lifespan of my driver then?.
No, the driver will run cooler which will extend its life.
@@MIGROLIGHT that's what I thought..thanks for the response
Good one Shane!
Thanks
Love your content and im not even a grower 😂
Thanks.
👍🏻👍🏻👍🏻
🤘
This video wasn't primarily about comparing these two lights, but the PAR tests raised a question for me. If we have similar PAR tests from two lights: same test area, approximately the same max and min readings across the area, similar standard deviations of all the readings, etc., how should we interpret the difference in hanging heights, which is significant in this case? Thanks.
Cheers Shane. ⭐⭐⭐⭐⭐ A1
Love how efficient your array is compared to the mars , quality as always , thanks for all of your information sharing.