8X8 autoflower grow need some setup advice please.

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thething25

Member
Hello
I was wondering if anyone could give me some feedback on my setup that I have planned for my next grow. Mainly just the tent, lights and amounts of plants.

Tent: 1 x Mammoth pro+240 8x8x6.5 (240x240x200cm)

Light: 4 x SUN SYSTEM RS 1850 LED - 720W (TOTAL 2880W) https://www.led-grower.eu/sun-system-rs-1850-led-eu-720w/

Pot: 20 x Gold label soft pot 3 Gallon (11 Liter)

Strain: "2Fast4Buds" Im thinking of going for either Lemon AK Auto, Big Bud Auto, or Northern Lights Auto.
Will 20x 3 gallon pots be an OK amount for my space if I plan on doing LST? Or should I do less, or maybe even more?

Also does anyone think that the lights are a bit overkill or could I get away with less, lets say 2000-2500w?
Im not too familar with these lights myself so any feedback on them would be very much appreciated!
Thanks! :)
 
Creature1969

Creature1969

Well-Known Member
My thoughts.
Your about 800w over whats needed so your lights will likely only be run at 50-75%. A lot here recommend more light than is needed because "you can dim them" but, why pay for more light than you're going to use?
20 3 gallon pots of soil is probably fine. I grow in coco so I'd run 12-16 autos max.

Also, I've nothing against autos for smaller grows but in that space I'd go with photos just because they open up more growing options like clones, SOG, etc.
 
T

thething25

Member
Hey man appreciate the fast reply!
I thought that the wattages might be too much myself but I got a really good deal for the entire setup so thought I might aswell go for it. It shouldnt be a problem to dim the lights to 75% right? Do you have any thought on the lights brand, like would you recommend them?
The reason for autoflowers is because I don't have much time at the moment but I definitely agree that I should be going for some photos.. I will next time for sure.
By the way what should you expect to yield from this kind of grow if everything goes "OK"?
Appreciate the feedback!
I have done a few indoor grows before but its been awhile, I have always been more of an outdoor guy.
 
N

Nope_49595933949

Well-Known Member
thething25 said:
Hey man appreciate the fast reply!
I thought that the wattages might be too much myself but I got a really good deal for the entire setup so thought I might aswell go for it. It shouldnt be a problem to dim the lights to 75% right? Do you have any thought on the lights brand, like would you recommend them?
The reason for autoflowers is because I don't have much time at the moment but I definitely agree that I should be going for some photos.. I will next time for sure.
By the way what should you expect to yield from this kind of grow if everything goes "OK"?
Appreciate the feedback!
I have done a few indoor grows before but its been awhile, I have always been more of an outdoor guy.
Click to expand...
What makes you think autos will be faster?
 
ProPheT 216

ProPheT 216

Well-Known Member
Your lights are def over kill. Think 35 watt per square foot or round up 2 40 watts. 35x64 is 2240. Like stated above you'll never be able to run them at max. You need to rethink your lights only using 3 of thos, is enough light but you need 4 lights for your set up. How much are those 4 lights together? I'll try 2 help you look for a light
 
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thething25

Member
ProPheT 216 said:
Your lights are def over kill. Think 35 watt per square foot or round up 2 40 watts. 35x64 is 2240. Like stated above you'll never be able to run them at max. You need to rethink your lights only using 3 of thos, is enough light but you need 4 lights for your set up. How much are those 4 lights together? I'll try 2 help you look for a light
Click to expand...
Hey man ok so lights are overkill..hmm need to rethink then.. and yeah I would prefer 4 for optimal spread
Thats so nice of you thanks I really appreciate it :D
The entire setup tent, lights, fans, filters, hangers costs 2000$
 
Creature1969

Creature1969

Well-Known Member
thething25 said:
By the way what should you expect to yield from this kind of grow if everything goes "OK"?
Click to expand...
The average grower can usually expect from 3-5oz per auto. Sometimes a bit more, sometimes less. If things go south like stunted plants, half that number.
Just one more reason to run photos. I'd rather veg for couple more weeks than have a reduced harvest. Not to mention that odds are high with that many autos that they won't all flower or finish at the same time.
I've run autos for a lot of years but I wouldn't run that many at once indoors. Well, knowing me, I'd probably try it once but I have thousands of regular auto beans to mess with. :bigjoint:
 
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thething25

Member
Creature1969 said:
The average grower can usually expect from 3-5oz per auto. Sometimes a bit more, sometimes less. If things go south like stunted plants, half that number.
Just one more reason to run photos. I'd rather veg for couple more weeks than have a reduced harvest. Not to mention that odds are high with that many autos that they won't all flower or finish at the same time.
I've run autos for a lot of years but I wouldn't run that many at once indoors. Well, knowing me, I'd probably try it once but I have thousands of regular auto beans to mess with. :bigjoint:
Click to expand...
Was expecting around 3oz per flower but yeah thats true what you say they might not all finish at the same time so I probably have to rethink...:-| thanks! :)
 
T

thething25

Member
ProPheT 216 said:
Your lights are def over kill. Think 35 watt per square foot or round up 2 40 watts. 35x64 is 2240. Like stated above you'll never be able to run them at max. You need to rethink your lights only using 3 of thos, is enough light but you need 4 lights for your set up. How much are those 4 lights together? I'll try 2 help you look for a light
Click to expand...
Oh my bad the 4 lights only are 1400$:mrgreen:
 
ProPheT 216

ProPheT 216

Well-Known Member
This would save you about 400 bucks and let you just max out your driver. If you wanted to add a couple hundred more watts later you could add some side lights. But that's 2000 watts at about a 1000 bucks, and it will fit. Samsung lm301b, meanwhile driver... best I saw on Amazon that will fit, provides enough light, and will save money in my quick search

Check this out! https://a.co/d/bweL4dT
 
sh0wtime

sh0wtime

Well-Known Member
at 60-70%, why not? I did the same pretty much in a 5x5.
Hung four 220w fixtures in it, limited the area to 5x4, tilted the fixtures inwards.
Running at 2.4 umol/w @ 660w with superb spread.

I just think you could do better with ViparSpectra's KS5000 they only use 500w but Samsungs new LM301h Chips!
They are super efficient.
 
T

thething25

Member
ProPheT 216 said:
This would save you about 400 bucks and let you just max out your driver. If you wanted to add a couple hundred more watts later you could add some side lights. But that's 2000 watts at about a 1000 bucks, and it will fit. Samsung lm301b, meanwhile driver... best I saw on Amazon that will fit, provides enough light, and will save money in my quick search

Check this out! https://a.co/d/bweL4dT
Click to expand...
Sounds good! So 2 of those should do the trick then?
Appreciate the help:mrgreen:
 
bk78

bk78

Well-Known Member
ProPheT 216 said:
This would save you about 400 bucks and let you just max out your driver. If you wanted to add a couple hundred more watts later you could add some side lights. But that's 2000 watts at about a 1000 bucks, and it will fit. Samsung lm301b, meanwhile driver... best I saw on Amazon that will fit, provides enough light, and will save money in my quick search

Check this out! https://a.co/d/bweL4dT
Click to expand...
Those par maps are trash. There is no way that light at 36” above the canopy is pulling 1200+ ppfd across a 5x5 area

OP I’d steer far away from this light personally for the simple fact of bullshit lies from the company right off the bat.

A61D45C9-94DD-419B-BAFA-5A7EBC740E19.jpeg
 
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