desplegado
Well-Known Member
How many watts wiukd it take to grow a pound in 2 2.5x2.5 tents?
How many watts for 1p
- Thread starter desplegado
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Farmer's Hat
Well-Known Member
In general, most growers say 1g per watt. 1lb is 448grams. So you need at least 500 watts.
Its important to mention that wattage isn't the only factor that determines overall yield. Genetics plays a very important part. So does every other environmental factor, including the growing medium of your choice. Hydro, soil, etc.
So to clarify, a high yield is dependent on many growing factors. Read some of the threads that have been pinned. They contain a lot of information.
Its important to mention that wattage isn't the only factor that determines overall yield. Genetics plays a very important part. So does every other environmental factor, including the growing medium of your choice. Hydro, soil, etc.
So to clarify, a high yield is dependent on many growing factors. Read some of the threads that have been pinned. They contain a lot of information.
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conor c
Well-Known Member
Light is only part of it so let's say a 400 watt or 600 watt hps that's enough light but the rest comes down to the right genetics then your environment and your skills
Like mentioned above there is a lot more at play then just wattage draw from the wall. Not all watts are equal. 1g/w is just about the best you can do with hps. Im doing 1g/w under LEDs but i know im nowhere close to perfect and more skilled growers in more controlled enviourments are getting 2-3g/w its realistic one could grow a LB in a 2x2 under a quality 200w LED. I would say you probably want a 200-250 fixture in each of your 2.5x2.5 tents, it will be easier to hit those numbers with more smaller plants then less larger plants so maybe 3 in each
conor c
Well-Known Member
Some folk manage even more with hps than a g a watt but yeah I agree there's alot in play besides just the light used
medidedicated
Well-Known Member
I have a 2.5x5 but importantly its 6.5’ tall. 150w led on each side 300w total 14oz a couple times in there. I wouldnt focus on how many watt lights but how many fans? Youll get zero if you get powdery mildew thats where Im at right now.
I am using box fans as canopy fans hoping it will work but if it dont, I still need to grow a certain way. After a nuking meaning deep cleaning Id need to grow with caution in mind to prevent.
I am using box fans as canopy fans hoping it will work but if it dont, I still need to grow a certain way. After a nuking meaning deep cleaning Id need to grow with caution in mind to prevent.
desplegado
Well-Known Member
I have about 8 clip fans that are a 2 setting max 80 cfm I think (4 for each tent) alr cleaned everything and the new tent gonna clean it again when I germinate the seeds
Last grow came out to 8 oz outta the tent with a 150w light
coreywebster
Well-Known Member
I'd be looking for 200w per 2.5x2.5
Well trained plants, a good strain and a great run.
Well trained plants, a good strain and a great run.
desplegado
Well-Known Member
Might just buy a 300 and just upgrade tents later on down get the light outta the way can't rlly find 200s
Last edited:
Seen 1.3 done before first hand.
Star Dog
Well-Known Member
Imo you're better forgetting about weights and concentrate on growing healthy plants, even with the best everything you need some experience to help you avoid the myriad of pitfalls growing has to offer.
2.5x2.5 works out quarter pound per 14" square ±, that's not an easy task for any grower.
2.5x2.5 works out quarter pound per 14" square ±, that's not an easy task for any grower.
Jjgrow420
Well-Known Member
Ditto
That's only 8oz per tent.
If you've got two 2.5' tents, drop a Vipar XS1500 Pro in each one and add a pair of 660nm supplemental lights to offset the heavy spectrum that light puts out.
The new version of yield estimate equation is 0.2 to 0.2 gm of flower per mol of light per square meter so you can do the math on that.
As other growers have said, there are factors other than light that impact yield but, assuming that you're using a decent yielding strain and assuming that you feed is enough nutrients to keep them in the "sufficiency" zone and that you keep VPD sane and you don't hack off all the leaves, then 8 oz under that light is doable.
I grow in hydro in a 2' x 4' tent with 330 watt Growcraft lights, one for veg, one is a flower light, and 16 OZ is a baseline for a grow.
Another variable is veg time. If you veg for 6 months, you'll have a monster of a plant but, assuming a 6 week veg or, even better, growing an auto at 70-80 mol of DLI and you'll end up with 8 oz per tent.
If you've got two 2.5' tents, drop a Vipar XS1500 Pro in each one and add a pair of 660nm supplemental lights to offset the heavy spectrum that light puts out.
The new version of yield estimate equation is 0.2 to 0.2 gm of flower per mol of light per square meter so you can do the math on that.
As other growers have said, there are factors other than light that impact yield but, assuming that you're using a decent yielding strain and assuming that you feed is enough nutrients to keep them in the "sufficiency" zone and that you keep VPD sane and you don't hack off all the leaves, then 8 oz under that light is doable.
I grow in hydro in a 2' x 4' tent with 330 watt Growcraft lights, one for veg, one is a flower light, and 16 OZ is a baseline for a grow.
Another variable is veg time. If you veg for 6 months, you'll have a monster of a plant but, assuming a 6 week veg or, even better, growing an auto at 70-80 mol of DLI and you'll end up with 8 oz per tent.