Hps yeilds more potent weed hands down”

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snakedope

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100 cri is the sun. Hps is far from that
Doesn't matter, the principles of light creation are same as the sun, noble gases the light upon impact of electromagnetic arc.
The spectrums are not the same because they can't push every gas inside like the atmosphere holds, cmh are able to withstand the pressure better so they have better mixture of gases and spectrums, still, the principles are the same.
 

curious2garden

Well-Known Mod
Staff member
100 cri is the sun. Hps is far from that
Unless you grow under the actual sun HPS or any HID are far from that. I did get more penetration with my HID because of focus but it follows the inverse square law. I get a more even canopy and better distribution from LED (no pinpoint source). I've grown my exact same clones under each. There is zero difference in them. A basic physics optics class would be helpful for some here but once we mix in religion (god's whatever) I bounce because then it becomes an article of faith and not logic. Faith is not something tangible, quantifiable or falsifiable. All necessary components of actual science.
 

snakedope

Well-Known Member
So the sun is faith ? Don't run away from the real question with excuses
You know the principles of light creation in our world and HIDs are SAME.
Are they 1:1 in rest of the parameters ? No, but still they share the same basic principal.

If you get same results from the same clones I'm very happy to hear that
I never saw good led bud what can I say.. call me a liar that's ok just my exp.
 

Kola_Kreator

Well-Known Member
Every newly produced vinyl is based off a digital file. Also lol if you believe that the crackling of vinyl is high-fidelity.
Your knowledge of the recording process and vinyl fidelity is typical for someone who isn't into high end audio. There are still plenty of recording studios which record in analog and press to vinyl. And if you think vinyl crackles you just haven't heard it played on a quality system.
 
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BongerChonger

Well-Known Member
Still situational for me, otherwise I would have invested in good LED already.
Heat is what I generally need in my space. HID helps heat my space, saves watts and money on heating.
But, I shut the grow down for a couple months during peak summer, too hot.

There's also the price to consider.
Much of the reason why I haven't invested in quality LED to grow during summer. Not worth it for only 2 months in the year.
And, I really haven't the patience for DIY.

Can't beat HID if you want cheap but effective in my opinion.
Cheap vs expensive bulbs are fairly comparable too.
Whereas don't get me started on most cheap LEDs, worst grow lights in existence, lets be honest.

Such an exhausting debate LED vs HID.
My opinion, the efficiency debate is over, LED wins all day.
But, the price for quality units needs to come down. And will in time.

Which is better? lol
Carry on!
They both grow good plants all the same.
 

Kola_Kreator

Well-Known Member
Whatever buddy
Yes I do, you have a counter argument or you like to call people jokes ?
Not giving your non arguments any more merit.

Read my post again about spectrum, cmh, etc before you post with fury.
Led is fine yes I said that aswell, imo it's not good for flower and changes the morphology and processes a plant goes in it's lifetime.
Just opinion, move along.
Even if the way HID's make light is closer to the sun it still does not prove that it's a better source of light than LED. You making an assumption based on your own personal opinion. If you feel so strongly about it why not run a side by side and send the end results to a lab for testing.

There's plenty of bud grown under led that's resting at 25 percent and over and so far you haven't been able to back up your statement about potentcy with anything solid.
 

Gemtree

Well-Known Member
Doesn't matter, the principles of light creation are same as the sun, noble gases the light upon impact of electromagnetic arc.
The spectrums are not the same because they can't push every gas inside like the atmosphere holds, cmh are able to withstand the pressure better so they have better mixture of gases and spectrums, still, the principles are the same.
Plasma and led spectrums are roughly the same
 

Gemtree

Well-Known Member
These mothers are under a Plasma Light. It provided magnificent penetration but was expensive and the bulb did not last long. Overall my HLG LEDs have been the all around best light I've run and over the years I've run a few.
View attachment 5319310
Yeah and the fact that leds last like 10yrs is enough for me. Changing bulbs all the time was lame
 

curious2garden

Well-Known Mod
Staff member
Yeah and the fact that leds last like 10yrs is enough for me. Changing bulbs all the time was lame
Yeah, and I'm short so there were always ladders involved and I'm clumsy, 'nuff said. I had one helluva shiner on my ass the last time I missed the step and I may or may not have been loaded at the time :eyesmoke: so LEDs are, de facto safer for us clumsy types
 

snakedope

Well-Known Member
Even if the way HID's make light is closer to the sun it still does not prove that it's a better source of light than LED. You making an assumption based on your own personal opinion. If you feel so strongly about it why not run a side by side and send the end results to a lab for testing.

There's plenty of bud grown under led that's resting at 25 percent and over and so far you haven't been able to back up your statement about potentcy with anything solid.
Never claimed it proves something ? I Just said i follow nature and the ideas that follow it that's it.

Plasma and led spectrums are roughly the same
Led has a high cri like plasma and the sun but most of it's peaks are in the blue region and some in the red, that's also the reason why they veg very nicely, the rest of the colors express in such low peaks it's not even worth mentioning, just worth a sight in the papers in the manual
It's like claiming a 10K bulb has a 97% cri but it sucks at almost everything, why ? Cuz most of it's strength is in the UV and deep blue range and not in the rest of the waves.
 

Jeremy Pivens

Well-Known Member
I worked for an i502 farm in Washington called premier cannabis back a few years ago, won all 4 categories at the high times cannabis cup in Seattle with blurple LEDs, they got great yields and honestly some of the best weed I've ever smoked in my life, definitely the best concentrates hands down. Shout out to premier cannabis in Spokane Washington! Really fun place to work, in conclusion I don't think whether HPS, MH, LEDs, CMH or anything in-between is what makes great weed. Give them enough light, but more importantly keeping a balanced PH and good feeding schedule is most important, you can grow great weed with regular screw in 10w light bulbs from the dollar store if you use enough of them, I've seen it done.
 

secretmicrogrow420

Well-Known Member
here is something a book im reading says
"UV light is divided into three bands—UVA, UVB, and UVC. UVB is critical to the development of THC. The potency of cannabis is dependent on the amount of UVB light it receives. Ceramic metal halides emit UV light and can be used for this purpose. Even if plants are being grown under HPS lamps, potency increases significantly if they are replaced with ceramic metal halides during the last two weeks of flowering." good luck bro :)
 

Kola_Kreator

Well-Known Member
here is something a book im reading says
"UV light is divided into three bands—UVA, UVB, and UVC. UVB is critical to the development of THC. The potency of cannabis is dependent on the amount of UVB light it receives. Ceramic metal halides emit UV light and can be used for this purpose. Even if plants are being grown under HPS lamps, potency increases significantly if they are replaced with ceramic metal halides during the last two weeks of flowering." good luck bro :)
What is the book you are reading and when was it printed? Bruce Bugbee has been testing UV's effect and so far has said that it makes no difference to THC or terp content.

Most of the info promoting UV is from the same guys trying to sell the lights to us.
 

snakedope

Well-Known Member
Yeah I say screw uvb, cmh uvb peaks are pretty solid but still all bulbs today are jackted so less then 1% uvb even reach your plants.
UV research is old news, hps bulbs gave us fire weed for ages, no blue, no uv, challenge that... but this is the most important question of all

Why hps grow killer quality for so many years if it's such a lame tech bulb ?
The answer, if you read until now, is that spectrum is 2nd to sheer strength of same sun like source.
 

Hollatchaboy

Well-Known Member
Yeah I say screw uvb, cmh uvb peaks are pretty solid but still all bulbs today are jackted so less then 1% uvb even reach your plants.
UV research is old news, hps bulbs gave us fire weed for ages, no blue, no uv, challenge that... but this is the most important question of all

Why hps grow killer quality for so many years if it's such a lame tech bulb ?
The answer, if you read until now, is that spectrum is 2nd to sheer strength of same sun like source.
Tube tv's were a killer way to watch TV, until led screens. Horse and carriage were a killer way to move things around, until the gasoline engine.

Technology advances things. Hps was killer, because there was really nothing else out there. Now you have leds, maybe still in their infancy, as far as technological advancement, but I'd be willing to bet, a lot of different light sources were used, until someone discovered the potential of hps, so hid lighting, had their infancy too.

Give led a chance. It's still relatively new to the growing scene. Lots of room for advancing the tech. Hps, not so much.
 

snakedope

Well-Known Member
Tube tv's were a killer way to watch TV, until led screens. Horse and carriage were a killer way to move things around, until the gasoline engine.

Technology advances things. Hps was killer, because there was really nothing else out there. Now you have leds, maybe still in their infancy, as far as technological advancement, but I'd be willing to bet, a lot of different light sources were used, until someone discovered the potential of hps, so hid lighting, had their infancy too.

Give led a chance. It's still relatively new to the growing scene. Lots of room for advancing the tech. Hps, not so much.
Gave it, endless chances.
Then I said, why not just look at what they are recommend for, ohh.. supplement light, veg light, lettuce and green leaves, wasn't able to develop oil on lavander, wasn't able to produce allicin in garlic
Thank you but i think ill pass.

Btw - hps don't need to improve as it delivered and still deliver fire smoke, why improve a winning machine ?
LEDs are improving... Tell me when they stop.
 
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