Grandmaster Level - HLG Quantum Boards vs 1000w HPS side by side (youtube)

OneHitDone

Well-Known Member
No I do see your point. And interestingly ive grown veggies under blurples and while they didnt look like they would under the sun, they grew just fine. That's with peppers though, not a leafy green. There are lots of microgreen grow facilities popping up in people's basements and shit and they grow exclusively under LEDs, and often white leds from what ive seen. They grow great. They need to use LEDs because T5s are too inefficient to make it cost effective, and they grow on shelves so they have really low clearance to work with.

But I do recognize the important of wavelengths outside of PAR. And their effects on vegetative growth.

It's not as big of a deal as hortilux will make you believe though with their stupid new ceramic HPS bulb that has 50%+ of the spectrum in the IR range.....


edit: important to note that HPS causes morphogenic issues as well. all of the IR and far red in the spectrum causes unnatural elongation and fluffier buds. It needs to be balanced with more blue
HPS = Fluffy Buds??? Clearly you haven'y used one :lol:
But yes, you do get more elongation in greens with hps as I have shown in my thread
 

OneHitDone

Well-Known Member
It isn't about the size of the buds, it's about the weight. LED-grown bud tends to be more dense, and therefore appears smaller, though there's every bit as much of it there.
Are you handing out any coupons for trim labor to help offset all the extra work with smaller nugs as a result of led? :lol:
 

skoomd

Well-Known Member
HPS = Fluffy Buds??? Clearly you haven'y used one :lol:
But yes, you do get more elongation in greens with hps as I have shown in my thread
Buds grown under HPS simply cannot be as dense and tight as LED due to that unnatural elongation.
You couldn't see a point even if it was pointed out to you.

Get a par meter. Ask your dad. Learn to grow.

You made me laugh. Maybe thats just because im fucked up on drugs.
 

Randomblame

Well-Known Member
I do not see the point of this discussion. LED's won, despite not optimal conditions!!!
I'm sure he's already considering equipping a larger area with LED's.
All that counts in the end is the energy saving and effiency, which leads to higher yields without loss of quality.
You miss something outside the PAR range and you get 1% less THC/g, add a few UV diodes and you beat HPS results next time!
Different light sources require different adjustments, point! To cite this as a reason why LEDs are worse is total nonsense! Sorry!
People who switch back to HPS either can not grow or they are too stupid to adjust their enviroment accordingly. Increase the ambient temperature, pay attention to the VPD and adjust the nutrients to the increased water consumption. That's it! If you are too lazy for that, do not blame LED.
BTW,
to run HPS and LED in the same room with the same enviromental conditions is not the best idea.
 

Randomblame

Well-Known Member
Buds grown under HPS simply cannot be as dense and tight as LED due to that unnatural elongation.

Oh no! They can!
Modern HPS have an extended blue range, which counteracts an unnatural elongation!
Believe me, in fact the differences are very small and I'm not a HPS fan boy as you know. Maybe earlier, but not today. With LED's you gain most because of their efficiency, but only if you adjust your environment properly!!!
If you want to use both in the same room, you always face problems that offer only optimal conditions for one or the other. 80-84°F would be to hot for the HPS side but 77° could be already too low on the LED side.
 

BuddyColas

Well-Known Member
Im really pulling for GML and LEDs to take over the world!! But NO! Another blunder. Another apology. How long before they get some good help in the garden?
 

CannaBruh

Well-Known Member
I haven't been keeping up on episodes but I wasn't too disappointed in the LED run, demonstrates efficacy.

Will be interested to see what happens with GML's audience/viewership once he goes full on centralized server vs youtube hosted.
 

skoomd

Well-Known Member
I just want to see a single fuckin properly executed, clone vs clone grow comparison between LED and HPS. Back a few years ago when LEDs were still shit, people did them ALL the fucki time. What gives?!

And as much as we know grams per watt isn't the best metric to base anything off of, it is a known fact that HPS is 0.5-1 grams per watt (maybe a bit higher if everything is just perfect) and on here people are frequently pulling over 1.7 grams per watt from QBs and such. Even newbies. I mean fuck I have pulled 1.3 g per w under a blurple panel that I got for $70. Saw one guy here in the QB thread pull 2.1 grams per watt.

With that in mind, even though we lack a solid, well executed clone comparison between LED and HPS, it's possible to pull pretty much double the yield per watt with DIY LED as you can SEHPS. Which is quite remarkable. Folks like yodaweed will still tell you otherwise, but how would that be the case with these numbers?

And while ive heard some self acclaimed pros say they've gone over 1 gram per watt with SEHPS. But ive NEVER seen any proof of that. I mean MAYBE with a 360 vertical setup and a brand new eye hortilux bulb. But til I see it, it didnt happen ;)
 

OneHitDone

Well-Known Member
I just want to see a single fuckin properly executed, clone vs clone grow comparison between LED and HPS. Back a few years ago when LEDs were still shit, people did them ALL the fucki time. What gives?!

And as much as we know grams per watt isn't the best metric to base anything off of, it is a known fact that HPS is 0.5-1 grams per watt (maybe a bit higher if everything is just perfect) and on here people are frequently pulling over 1.7 grams per watt from QBs and such. Even newbies. I mean fuck I have pulled 1.3 g per w under a blurple panel that I got for $70. Saw one guy here in the QB thread pull 2.1 grams per watt.

With that in mind, even though we lack a solid, well executed clone comparison between LED and HPS, it's possible to pull pretty much double the yield per watt with DIY LED as you can SEHPS. Which is quite remarkable. Folks like yodaweed will still tell you otherwise, but how would that be the case with these numbers?

And while ive heard some self acclaimed pros say they've gone over 1 gram per watt with SEHPS. But ive NEVER seen any proof of that. I mean MAYBE with a 360 vertical setup and a brand new eye hortilux bulb. But til I see it, it didnt happen ;)
The real question here is with regards to GML's .8 g/w in the HPS room, like WTF?? o_O
I make no claims of being on a "Grand Master Level" and have been pulling down .8 g/w with SE HPS batch after batch.
Catch being - I have NO SEALED ROOM WITH Co2 or Fancy Advanced Nutrients!
Where is his 20% yield increase from Co2 alone?
 

skoomd

Well-Known Member
The real question here is with regards to GML's .8 g/w in the HPS room, like WTF?? o_O
I make no claims of being on a "Grand Master Level" and have been pulling down .8 g/w with SE HPS batch after batch.
Catch being - I have NO SEALED ROOM WITH Co2 or Fancy Advanced Nutrients!
Where is his 20% yield increase from Co2 alone?
Yeah actually thinking about that, fuck man that's kind of sad lol.

I dont run CO2, nor do I ever plan to because I do fine without it. But if you are hitting the numbers GML did WITH co2 (and his experience level) that's definitely lackluster performance.
 

wietefras

Well-Known Member
I just want to see a single fuckin properly executed, clone vs clone grow comparison between LED and HPS. Back a few years ago when LEDs were still shit, people did them ALL the fucki time. What gives?!
I was planning to do a side-by-side, but then I thought, why bother paying for all that extra HPS electricity when we all know what the outcome will be anyway? So, the people who know the truth already don't care and the people who don't want to hear the truth still won't want to hear it.

I wanted to do a vertical HPS though. Never did that before. Maybe when winter comes I'll try.
 

CannaBruh

Well-Known Member
I was planning to do a side-by-side, but then I thought, why bother paying for all that extra HPS electricity when we all know what the outcome will be anyway? So, the people who know the truth already don't care and the people who don't want to hear the truth still won't want to hear it.

I wanted to do a vertical HPS though. Never did that before. Maybe when winter comes I'll try.
My sentiment as well.
Sure you can still grow some huge super dense caked nugs on trees with HPSDE/CMH but the trade-off is a less efficient lighting system.
 

skoomd

Well-Known Member
I was planning to do a side-by-side, but then I thought, why bother paying for all that extra HPS electricity when we all know what the outcome will be anyway? So, the people who know the truth already don't care and the people who don't want to hear the truth still won't want to hear it.

I wanted to do a vertical HPS though. Never did that before. Maybe when winter comes I'll try.
Yeah, i like that logic. I mean I dont have anything to prove to any HPS kiddies in terms of how well they work. I already know how well they work, and im not in denial about how they stack up against HPS. So I am happy to see someone do it, but i'd rather just get a second LED grow setup than waste one using inferior HPS technology to prove to the HPS die hards that they're wrong.
 
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