Led vs HPS growing

jonnynobody

Well-Known Member
Those prices are cheap compared to where I'm at further north in Cali. $500k will get you a 800 sq ft house here if you're lucky, and a 1 br rental is easily over $2k a month.
That just boggles my mind that A) property prices are that inflated and B) someone is willing to pay those inflated pries. I could never afford to setup shop in the west or east coast. The dirt poor midwest is my stomping grounds :) Are prices inflated at the grocery store and restaurants too? What's a #1 at McDonald's? $14.99+tax. Served with a smile and a giant fuck you :)
 

NukaKola

Well-Known Member
Those prices are cheap compared to where I'm at further north in Cali. $500k will get you a 800 sq ft house here if you're lucky, and a 1 br rental is easily over $2k a month.
I’m in southern SoCal close to the border, not exactly the best neighborhood lol. If you go closer to the coast or 30mins north near La Jolla they would be closer to $1mil for ~1000 sq ft. The rentals I used to deliver to a few years ago in La Jolla started at $2400/mo. Mostly foreigner college students.
 
I know the results speak for themselves with LED. And I am super impressed by what people are pulling from them.

But I just don’t understand how they can outyield HPS if the penetration is so much worse than HPS?

I SCROG so my canopy is always mega full of buds. I need the penetration to fill out the stuff 18” downwards to maximise yields.

I just can’t picture LED fattening the top colas enough. I do no defoliating of the tops, it is the one thing I think maybe would allow LED to penetrate enough to best HPS?

I just want a fuller spectrum for quality but not at the cost of yield. I could never go full LED as I am in a cold country, I would need to run heaters during lights on some of the year!

One end of my 4 X 1kHPS room runs 2-3C hotter than the end near intakes, which seems a perfect use case to swap out those two HPS for led. But the penetration worries me so much...
 

Where am I

Well-Known Member
I know the results speak for themselves with LED. And I am super impressed by what people are pulling from them.

But I just don’t understand how they can outyield HPS if the penetration is so much worse than HPS?

I SCROG so my canopy is always mega full of buds. I need the penetration to fill out the stuff 18” downwards to maximise yields.

I just can’t picture LED fattening the top colas enough. I do no defoliating of the tops, it is the one thing I think maybe would allow LED to penetrate enough to best HPS?

I just want a fuller spectrum for quality but not at the cost of yield. I could never go full LED as I am in a cold country, I would need to run heaters during lights on some of the year!

One end of my 4 X 1kHPS room runs 2-3C hotter than the end near intakes, which seems a perfect use case to swap out those two HPS for led. But the penetration worries me so much...
That may have been true in old days of LED. I run a AMARE BAR 6 and you can drop the light to 6 inches from the top of the canopy. Plant size is normally 4 to 5 feet. I live in a 4 season State and the winters get brutal here. I normally change my venting to dump the air (heat) from the tent into the room. It regulates the temperature very well. I never got around to SCOG probably could increase my yield if I did.
 

tyke1973

Well-Known Member
2 nurseries are under T5 lighting. 1 was under a 450W quantum board dialed down to 50%. Any higher and light bleaching occurs in a 5'x5' space. That unit is now in my flower room and I will be installing my new Hortibloom LED COB light in the nursery that previously had the quantum board. In the flower room it is mixed spectrum LED / HPS for the duration of the flower cycle. I completed my last flower cycle with 1 660W quantum board. The flowers underneath were as stellar if not better than my 1000W HPS on super lumen with hortilux lamps. The flowers were rock hard and the colors were just spectacular. Purple hues throughout that I've never seen under my HID fixtures growing the same strain, hash plant. It was a great performance in my opinion.
Got-dam brother that's insanity! Before we moved to Michigan about 10 years back we looked at California. As soon as we hopped on the real estate search engines we quickly found out we were poverty stricken by California standards and would have to live out of a cardboard box. I was all for it. The wife was against it. Here we are in Michigan :) I feel for you man. What's happening out there is very sad. The state doesn't seem to have the infrastructure or natural resources to support it's population and needs. Result? Steep inflation. I do hope things get better, but unless the world starts combating climate change we're all fucking doomed. California is just a microcosm of what the world will face in the near future. California is just the beginning. Fuck that sounds dire. Smiley face :) Better?
They think everyone's growing ,i would take full advantage of any spare spaces you have
 
That may have been true in old days of LED. I run a AMARE BAR 6 and you can drop the light to 6 inches from the top of the canopy. Plant size is normally 4 to 5 feet. I live in a 4 season State and the winters get brutal here. I normally change my venting to dump the air (heat) from the tent into the room. It regulates the temperature very well. I never got around to SCOG probably could increase my yield if I did.

How much penetration (good dense buds) are you getting at 6"s? Do you mean the full 4-5 ft of plant?

I was keen to buy a LED I would run at around 12-18", as this is around the height I run my HPS (parabolics so can go far lower than other shades). So part of the HPS / LED would supplement atleast a part of each others canopy this way. Hopefully improving the quality of the HPS side.

My issue with recirculating air for temperature is humidity over here. Year round here in Scotland humidity is very high. And for 6 + months of the year many many days are above 90% outdoors. It is a struggle. One I will solve somehow, I plan to setup some sort of lung room from my veg space with a dehumidifier to reuse some heat.
 

Where am I

Well-Known Member
How much penetration (good dense buds) are you getting at 6"s? Do you mean the full 4-5 ft of plant?

I was keen to buy a LED I would run at around 12-18", as this is around the height I run my HPS (parabolics so can go far lower than other shades). So part of the HPS / LED would supplement atleast a part of each others canopy this way. Hopefully improving the quality of the HPS side.

My issue with recirculating air for temperature is humidity over here. Year round here in Scotland humidity is very high. And for 6 + months of the year many many days are above 90% outdoors. It is a struggle. One I will solve somehow, I plan to setup some sort of lung room from my veg space with a dehumidifier to reuse some heat.
Yes, I mean the plants are in a 5 x 5 tent and and it is just shy of 7 ft tall. Normally try and keep them under 5 ft. I have been a "lazy grower" of late due to injury / surgery. Here is a pic of the first grow at week 7 using the BAR 6. One of the nice thing about the light is the ability to adjust the intensity. I just started some clones and set the light at 20 % kept it about 18 inches above them. As they grew I would just turn the light up. Right now I have the drivers mounted on top of the light since winter is just around the corner. Another nice thing I discovered is that the clip on fans that always seen to pop off the tent poles can be clipped right between the bars and pointed to blow right cross the canopy. The unit also has a separate UV switch. I use towards the end of flower and to sterilize the tent between grows. I was in Scotland back in 78-79... I really loved it. What I can remember....
WD
 

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Apalchen

Well-Known Member
So if you wanted to replace de hps that were pulling 3 lbs per light what would you replace them with? Most of the lights I see are 640ish watts or so and only cover a 4x4 area, so 40 watts per sq ft. A 1000 watt de on a 5x5 is only 40 watts per sq ft as well. I actually have mine spaced out an extra ft at 5x6 and I run at 1150 watts most of the grow which is 38.6 watts per sq ft.

Anyways Id like to find a 1:1 replacement, but it needs to cover a 5x5 area, if I could find one and its say 800 watts that would save me 2100 watts which means I could hang another a couple more lights on the same AC I already have.

A light with a 4x4 foot print just won't work for me as have a walk way down the middle of my room with 5 feet of canopy on both sides. If I went with 4 ft canopy I'd be losing a lot of space.
 

a mongo frog

Well-Known Member
So if you wanted to replace de hps that were pulling 3 lbs per light what would you replace them with?
You don't. Not in this market. If one knows someone running minimum 4 DE's 4 times a year you stay pat. Im not going to say it, but you know whats going on out there.............
 

a mongo frog

Well-Known Member
So if you wanted to replace de hps that were pulling 3 lbs per light what would you replace them with? Most of the lights I see are 640ish watts or so and only cover a 4x4 area, so 40 watts per sq ft. A 1000 watt de on a 5x5 is only 40 watts per sq ft as well. I actually have mine spaced out an extra ft at 5x6 and I run at 1150 watts most of the grow which is 38.6 watts per sq ft.

Anyways Id like to find a 1:1 replacement, but it needs to cover a 5x5 area, if I could find one and its say 800 watts that would save me 2100 watts which means I could hang another a couple more lights on the same AC I already have.

A light with a 4x4 foot print just won't work for me as have a walk way down the middle of my room with 5 feet of canopy on both sides. If I went with 4 ft canopy I'd be losing a lot of space.
Shit i read your post wrong sorry. I thought you were talking DE as in direct effect refrigerators vs LED (levitating enhance direction) refrigerators. My bad have a nice day.
 

Corso312

Well-Known Member
Only did it on specific lower bud sites, there was no other way
Next time soak em in a sudsy dawn dish soap for 20 minutes and rinse em off.. then 3 days later..do it again.. I've filled up 50 gallon garbage cans to submerge larger plants.. works perfect..
 

NukaKola

Well-Known Member
So if you wanted to replace de hps that were pulling 3 lbs per light what would you replace them with? Most of the lights I see are 640ish watts or so and only cover a 4x4 area, so 40 watts per sq ft. A 1000 watt de on a 5x5 is only 40 watts per sq ft as well. I actually have mine spaced out an extra ft at 5x6 and I run at 1150 watts most of the grow which is 38.6 watts per sq ft.

Anyways Id like to find a 1:1 replacement, but it needs to cover a 5x5 area, if I could find one and its say 800 watts that would save me 2100 watts which means I could hang another a couple more lights on the same AC I already have.

A light with a 4x4 foot print just won't work for me as have a walk way down the middle of my room with 5 feet of canopy on both sides. If I went with 4 ft canopy I'd be losing a lot of space.
ChilLed 1000w or Meijiu 1000w for pre builds.

Personally I would go DIY.

7x Samsung F-Series LT-FB24B strips
1x HLG-480H-48A driver
1x HLG-320H-48A driver
Heatsinks, angle, cord, wagos, etc.
Should be around $750-800 for 800+ watts.
 

Where am I

Well-Known Member
So if you wanted to replace de hps that were pulling 3 lbs per light what would you replace them with? Most of the lights I see are 640ish watts or so and only cover a 4x4 area, so 40 watts per sq ft. A 1000 watt de on a 5x5 is only 40 watts per sq ft as well. I actually have mine spaced out an extra ft at 5x6 and I run at 1150 watts most of the grow which is 38.6 watts per sq ft.

Anyways Id like to find a 1:1 replacement, but it needs to cover a 5x5 area, if I could find one and its say 800 watts that would save me 2100 watts which means I could hang another a couple more lights on the same AC I already have.

A light with a 4x4 foot print just won't work for me as have a walk way down the middle of my room with 5 feet of canopy on both sides. If I went with 4 ft canopy I'd be losing a lot of space.
AMARE BAR 8 would cover that. I never ran a SCROG setup so I don't know what my yield would be. Being a medical grower I tend to grow multiple strains for my patient. Many of the strains are low yielding. HPS are basically "heaters" they produce a lot of infrared. LED's have come a long way but they have a learning curve.
 

jarvild

Well-Known Member
One would be hard pressed to get 4LBS with 2000W of hps. 3-3.5# with great genetics is workable. 4 is being a little overly optimistic. Maybe with 50 plants in a sea of green? I remember looking at this scam company called Black Dog that sells LED lights recently. They claim 3# per fixture in their item description. All you have to do is spend $2300 for their overpriced piece of shit LED light. They get rich quick selling garbage to morons who think 1 light is going to produce 3#. I laughed and I laughed. Then I laughed some more. Looking on Amazon Black Dog apparently sells their crap there too. The few reviews available had 1/4 or 1/3 of their board go dark in a very short period of time. Best wishes pulling 4# off of 1600W. You're gonna need a miracle. Not luck.
I can get 26 ounce from a single ended 600 watt HPS ,so almost 5 lbs from 3 lights at a total of 1800 watts
 

jarvild

Well-Known Member
So if you wanted to replace de hps that were pulling 3 lbs per light what would you replace them with? Most of the lights I see are 640ish watts or so and only cover a 4x4 area, so 40 watts per sq ft. A 1000 watt de on a 5x5 is only 40 watts per sq ft as well. I actually have mine spaced out an extra ft at 5x6 and I run at 1150 watts most of the grow which is 38.6 watts per sq ft.

Anyways Id like to find a 1:1 replacement, but it needs to cover a 5x5 area, if I could find one and its say 800 watts that would save me 2100 watts which means I could hang another a couple more lights on the same AC I already have.

A light with a 4x4 foot print just won't work for me as have a walk way down the middle of my room with 5 feet of canopy on both sides. If I went with 4 ft canopy I'd be losing a lot of space.
I don't know, but here is 600 watts of LED's in a 4x6 that pulled 2.2 lbs dry.20190305_055023.jpg
 

WildKatnip

New Member
I'll be showing the differences if any between led & hps growing using some of the latest tech in led against hps.
Not exactly perfect side by sides but it's what I could muster up last min being way behind schedule & veg getting out of control. Had to give away a few & chopped one cuz it was just to big.
I'm most interested in the way each produces, density, appeal, terps & plant reaction. So it won't be about GPW, especially w/ these plants.
Growing under Amares, Cobs, the HLG Elite, SunCloak Horizons & HPS.
Just set them. Once they get acclimated I'll hit the switch.
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Can't wait to see the end result!
 
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