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OfflineBigbadwooof
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Minimum number of mj plants under 1000w light
    #22253582 - 09/17/15 09:54 PM (8 years, 4 months ago)

What is the minimum number of plants I should have under a 1000w light?

I am using the manifold/mainlining style of pruning. Any thoughts? I plan to veg them quite large also.


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OfflinePabloSumgie
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Re: Minimum number of mj plants under 1000w light [Re: Bigbadwooof]
    #22253604 - 09/17/15 09:59 PM (8 years, 4 months ago)

It's not number of plants. It's grow space. Don't go over a 7x7 foot space. Any number you want to put under there Is ok. You could put one plant make it fucking huge or you put thirty small plants under it. I personally do 100 watts per plant SCROG.


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OfflineBigbadwooof
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Re: Minimum number of mj plants under 1000w light [Re: PabloSumgie]
    #22253610 - 09/17/15 10:02 PM (8 years, 4 months ago)

Wow, that was fast. Well, I have already got the plants going towards mainlining. I accidentally removed one of my growth tips on one plant early on, and I only have 4 plants (I am attempting to clone the tops of each of them also). They are unsexed as of yet, so I don't know what I'll be dealing with by the time I flower. I think with the clones I will just grow them naturally, but I don't want to waste light. I have a 5X5x8 tent.


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Every one of you should see this video.
"If you bombard the earth with photons for a while, it can emit a roadster" - Andrej Kerpathy


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Offlinemandrin13
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Re: Minimum number of mj plants under 1000w light [Re: Bigbadwooof]
    #22253650 - 09/17/15 10:11 PM (8 years, 4 months ago)

Well I suggest the minimum be one, otherwise your harvest is gonna suck


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OfflineBigbadwooof
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Re: Minimum number of mj plants under 1000w light [Re: mandrin13]
    #22253809 - 09/17/15 10:40 PM (8 years, 4 months ago)

Quote:

mandrin13 said:
Well I suggest the minimum be one, otherwise your harvest is gonna suck




Fuck... well I'll see if I can swing that! >.<

When I say minimum, I'm talking about efficiency too. I realize I could do one, but how few will be efficient? I don't want less than 8 oz.


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"It is no measure of good health to be well adjusted to a profoundly sick society," - Jiddu Krishnamurti
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Invisiblegrownright
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Re: Minimum number of mj plants under 1000w light [Re: Bigbadwooof]
    #22259589 - 09/19/15 10:16 AM (8 years, 4 months ago)

My understanding is with a decent yielding strain, indoors, 5 plants could give one 6 oz under optimum care. So I'd say dude 6 or 7


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InvisibleballsalsaMDiscord
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Re: Minimum number of mj plants under 1000w light [Re: grownright]
    #22259604 - 09/19/15 10:22 AM (8 years, 4 months ago)

don't veg your plants too tall.  once you start flowering, they will grow at least 33% taller, up to 100% taller.  with only 8 feet of growing space (vertical) i suggest you start flowering at no more than 3 feet.  1000w hps bulbs get hot.  With that in mind, especially if you don't know the sex of the plants, i wouldn't do less than 3 or 4 per light


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OfflineBigbadwooof
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Re: Minimum number of mj plants under 1000w light [Re: ballsalsa]
    #22260671 - 09/19/15 03:17 PM (8 years, 4 months ago)

Thank you guys, I appreciate the input. I have a few plants that I'll probably end up topping once or twice and lollipopping, and then 2 that I am building a 'manifold' with. I hope neither of the manifold plants turns up male >.<

They seem to be growing slow under my 250w fluorescent light. I just don't want to put them under the big light until they are big enough to utilize the light.


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"It is no measure of good health to be well adjusted to a profoundly sick society," - Jiddu Krishnamurti
FARTS
"There is no need for conspiracy where interests converge" - George Carlin
Every one of you should see this video.
"If you bombard the earth with photons for a while, it can emit a roadster" - Andrej Kerpathy


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InvisibleballsalsaMDiscord
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Re: Minimum number of mj plants under 1000w light [Re: Bigbadwooof]
    #22261983 - 09/19/15 08:39 PM (8 years, 4 months ago)

your flourescent probably doesn't have enough output.  Is it a HO T5?  what spectrum(s)?  At the very least, make sure your light is as close to the plants as possible.(without burning them).


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InvisibleMrGiraffe

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Re: Minimum number of mj plants under 1000w light [Re: ballsalsa]
    #22262042 - 09/19/15 08:48 PM (8 years, 4 months ago)

Four 5 gallon bubble buckets under a 1k could net you about 12-16oz.  That's with a 4wk veg and 8wk flowering (depending on strain of course).  You could also put 9 plants (3x3) in 3 gallon pots/bags and should be able to pull at least 1.5-2oz let (upwards of 3 per depending on strain).  Typically you can expect about an oz per gallon.  Thats with providing proper veg time, can't just drop a 2 week old plant in a 5gal bucket and expect to pull 5oz.  I'd put them under the 1k and raise/lower the light until they show heat/light stress until you find the optimum distance.  With a 1k you'll want to keep it something 12" away minimum unless its an air cooled fixture just keep a eye out for light bleaching of the leaves.  Using the 1k for vegging will get you where you want to be sooner, but you'll also be chasing that first harvest weight once it's a dedicated flower light and your vegging clones are under the 250w fluoro


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InvisibleballsalsaMDiscord
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Re: Minimum number of mj plants under 1000w light [Re: MrGiraffe]
    #22262123 - 09/19/15 09:04 PM (8 years, 4 months ago)

the deep water culture idea is a good one.  this is his first grow though.  more root space is better for sure though. Definitely need to air cool the 1k light (i assumed that was a given). 

BBW-after you get your feet wet with this grow, you will in future have 2 options.

option A: give full proper veg time for the biggest yield per plant

or

option b: short veg with many plants.  flower them when they are small and just harvest them for the main cola. 

either way, the optimum condition is to always have a flower room, veg room, and clone space, so that you are constantly harvesting something.  don't forget that curing is the most important part if you want it to smoke smooth and tasty.  I think i wrote a short tek in your other thread


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InvisibleMr.PhilCybin
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Re: Minimum number of mj plants under 1000w light [Re: ballsalsa]
    #22262216 - 09/19/15 09:21 PM (8 years, 4 months ago)

I used to do a screen of green system over a 4x4 foot square.

if you do 3x3 for a 600, or 4x4 for a 1000, you're replicating the lumen ratio that they'd get from the sun (to an extent), and can photosynthesize at max efficiency.

you can really really crank the food and grow em beefy that way :thumbup:

I think you can easily get away with a less intensity and still get good results though especially if you're not running co2, or a hydro system.

just be careful not to burn the tops, those bulbs really put out some heat.


good luck man! :thumbup:


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