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HPS vs LED Grow Lights: The Spectrum Efficiency Showdown – The Green Sunshine Company
The HPS vs LED grow light matchup is a clash of the titans. Find out which is more efficient for plant growth when the scientific results are revealed!thegreensunshineco.com
This is a study done on tomatoe plants using old led. Hps and current led.
Very informative read.
It has footnotes of which scientific study it came from and where.
If you were to google hps vs led you get the people trying to promote amazon salez (if someone click on a link from their review of hps vs led they get a commission if they buy the light)
They dont care about which light is actually better or which technology.
They pick the lights with the most sales and reviews on amazon so they get more clicks on the link.
Any quality study done on hps isnt meant to create fanboys or this is better than that.
Any quality study ACTUALLY leaves you with your own choice and gives pros and cons and has university studies to back it up.
Fanboys are simply someone who's pride gets in the way of common sense.
I grow with hps and led.
And am excited to see the results of my current grow.
Fact of the matter is we shouldnt even be comparing led to hps it should be cmh to quality led
Both are a better choice than hps.
Why do you think a Philips cmh bulb cost 100 bucks and the square wave technology costs so much more than hps.
Simply put it's better for your cannabis.
I keep saying this, it is like no matter what you say you are wrong. I like HID better, I don't care what some article has said, I care about what results I get, I started growing when people started selling 20 dollars a gram, it was insane, I wanted a way to grow smoke so I would have a stash, I am good at growing, under any light so far. I prefer HPS, and until the market changes to my consumer needs, they do not get my money.This seriously has to be the most annoying "debate" ever.
Ffs, LED is more efficient and longer lasting, it's better technology, I get that. But the LED fanboys are just cramming it down our throats and shitting all over HID, It reminds me of a cult.. Join us or you will burn in hell...
I like my dirty old HID, and It works for me in my situation. When boards drop in price I might switch over and play along, but not until then, and not before my ballasts are toast. I like my HID.. I like LED too.. Sorry if that makes your head explode. But you're gonna have to deal with it.
Been doing this for over 4 decades and I'll still throw up my HID's now and again, As far as weight is concerned, that's a growers responsibility . I can get a lb out of a 400 watt HPS or 30 ounces from a 600 watt HPS, Or I can get a kilo from a 750 watt DE HPS or a kilo from 570 watts of LED's. It's all on the GROWER.I'm in the position where I've been using HID for 2 decades, and I still use them and grow excellent pot with them. I'm getting very close to 2 pounds per thousand watts and the quality is exceptional, dont believe me, check out my grow diary.
Doesn't do any good if your unable to understand the metrics or unable to ascertain how to apply them to your garden.I found it.
Very good pointDoesn't do any good if your unable to understand the metrics or unable to ascertain how to apply them to your garden.
Doesn't do any good if your unable to understand the metrics or unable to ascertain how to apply them to your garden.
Yup... Have to justify the price but all inclusive. Maintenance, upfront, running cost, cooling or heating costs etc.True but it does show that most led lamps are not as efficient as the sales pitch. And that more efficiency than hps cost up to 6 times as much money up front.
Before watching in gonna guess it goes into IR and UV being usable by plants?I highly, HIGHLY recommend everyone reading this thread watch this video. It's pretty technical in many ways but reinforces a few things I've always felt to be true, and muddies the water on this debate a bit further. But it highlights why PAR meter readings arent everything, and its referring specifically to cannabis growers.
Serious, check it out. For real. You will be a smarter grower for it.
Before watching in gonna guess it goes into IR and UV being usable by plants?
I use compost, called CPR ( COMPOST:POTVINS RECIPE) This is my own recipe (45 years). When my plants are flowered, there are NO problems/ leaves , from germination untill flowered. The ONLY yellow leaf would be the one nicked/scissors during pruning. The base growing medium is half Canaidian Sphagnum peat moss (pH is 7.0) and half SILICA SAND ( HTH POOL FILTERING SAND #1). A 3" Layer of CPR and EVERYONE GROWS MEDICAL GRADE CANNIBIS. LED lighting is SUPERIOR TO HID'SHi All
First time on forum. Or any forum
Anyway I took 6 cutting from my mother plant last night and put into a bubble Cloner I made from stuff laying around.
Question is I've they survive and grow a fair amount under the 9x 18w leds I've got what light would I flower them under in 2x1 meter space in 20l buckets thinking of 1 x 600w HPS but unsure If led tech has surpassed HPS ? I have to spend money so might as well buy best option for them obviously for the largest yield
Any help appreciated
Good video and good info in it. Could start a whole other debate on what's best. Simply put for me... I scrog and will stick to my led penetration is not important to me I also think it leaves a lot of room for debate on the LED side because not all lenses are 90 degree. Again led is not led.... And here we go again lolI highly, HIGHLY recommend everyone reading this thread watch this video. It's pretty technical in many ways but reinforces a few things I've always felt to be true, and muddies the water on this debate a bit further. But it highlights why PAR meter readings arent everything, and its referring specifically to cannabis growers.
Serious, check it out. For real. You will be a smarter grower for it.
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