4x4 tent need help cooling her down!!!!

Thats.... not a good enough fan...

Wheres your high cfm fan? All I can see it a booster fan... booster fans don't push 240cfm by themselves....

Spend the $70 or so on amazon, get a 6" in line fan.... 400+cfm, standalone cfm's. If the noise gets to you, get a speed controller for it, and find your magic spot between sound and heat.

And hand that filter! If your exhaust air is being pulled in @ only a 2ft height in a 6ft tent, the hot air isn't leaving, its just building at the top... Snug it right tight to the end of that fixture if u have to, but get it up to light level+

It is a booster fan

Masterchef23 said:

It is a booster fan

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Get the inline fan!

6 inch inline got it! Where do I duct air to or from? Top or bottom ?

Flagg420 said:

Thats.... not a good enough fan...

Wheres your high cfm fan? All I can see it a booster fan... booster fans don't push 240cfm by themselves....

Spend the $70 or so on amazon, get a 6" in line fan.... 400+cfm, standalone cfm's. If the noise gets to you, get a speed controller for it, and find your magic spot between sound and heat.

And hand that filter! If your exhaust air is being pulled in @ only a 2ft height in a 6ft tent, the hot air isn't leaving, its just building at the top... Snug it right tight to the end of that fixture if u have to, but get it up to light level+

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Not to doubt your theory or experience but in my case temps and rh is actually lower with fan @2ft ...when i place fan above light or at level I do lower rh but temps are slightly higher .. Maybe because of direction if airflow idk....????
That's why I'm on here trying to figure this out lol thanks for all your guys input I really appreciate it!

What kind of ground-to-mid level fan action you running? Might be your own wind currents are just making the hot air pass by the exhaust point? Only thing I can think of...

Your thermometer placement is probably skewing your results. Hang that filter up and out of the way, passive intake on fan on bottom opposite side or both. Heated air rises.......fact.... your grow tent is no exception for physics.

With a real fan the air will change out so much that it wouldn't matter where you put the filter.

- Jiji

I go to hydro store nearby and he tells me all I need is to plug ac evrything I have should work... To just get my temps to around 73

Masterchef23 said:

I go to hydro store nearby and he tells me all I need is to plug ac evrything I have should work... To just get my temps to around 73

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Will that work.....probably.

Do you want to use 40 + watts on a booster fan, and 700+ watts on an air conditioner.........or 110 watts on high power 6 inch centrifugal fan.

- Jiji

Even though my room temps around tent are 77-79? I'm just needing to push hot air away from room tent is in and bring in fresh air but since it's hot fresh air I think ac is the best option for me

I use my 6in fan for cooling of lights, 6in booster for air intake from beneath the building, and have the A/C on a thermostat outlet so it only fires up if it gets too hot. Dont depend on the A/C for cooling, its a money pit.

Masterchef23 said:

I will hang the filter tonight
Only reason I had it down was because I read it cooled the hood more if it was sucking cooler air from bottom of tent instead of the top hot air but it also makes sense to exhaust that first priority

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The point of air cooled hoods is to lower grow area temps, NOT to cool the hood or bulb. I'm giving it up early tonight. This shit CloudFlare security software RIU is using is too much of a pain in the ass to deal with. I have to wonder. Why does Rollie need to know our ISPs?

Flagg420 said:

I use my 6in fan for cooling of lights, 6in booster for air intake from beneath the building, and have the A/C on a thermostat outlet so it only fires up if it gets too hot. Dont depend on the A/C for cooling, its a money pit.

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That's only because you're blowing in hot, moist outside air from outside and blowing your cooled, dehumidified air outside. If you're going to run A/C, you need a SEALED grow room.

you misunderstand the airflow, its in from the cool perma-shaded area, thru the lighting, and exhausted. the lights run their own closed loop, lets me run a 5-6k btu unit here n there (thermostat) rather than a 12k or so for most of the 12hr 'day'

I try to keep the co2 infuser runnin on its timer, but im a bit lazy about checking and changing out the tank...

I guess I don't understand your setup.

Ambient air is hot? Are you exhausting outside? Is it just normally hot even if you weren't growing?

- Jiji

Masterchef23 said:

This is my last attempt at growing.. To many fails variables and bs if anyone can walk me through and help have a successful harvest I would appriciate it
Idol what I'm doin wrong ... There's always something if not spider mites it's mold and if it's not that Idk what it could be ... I'm 1 week in and it's a 50 day strain and I see no signs of budding
Im Using 4x4 tent aeration formula(feed, feed, water) all botanicare products

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Don't do that.
I think you are over analyzing and being too self-critical regarding your current project.

1. Your temps are not that bad.(for soil) Don't forget, outside temps will be dropping anyway in the coming months. Leave a window partially open...
2. Most strains take the hobby grower longer than advertised. If it says 60 days prepare for 75-80+.
3. There is no sense in fretting over your fan, it's enough for that tent. I'm saying that because I've never had my area with temps lower than yours (live in a very hot climate state), used a lower cfm rated fan and still have had bountiful harvests of fire using simple nutrients.

Spider mites/bugs can be dealt with Hot Shot pest strips. 7-8 dollars at hardware store.

You should stay the course, you have a decent setup, better than mine, hang in there and be patient.

Didn't read the OP, but there is ONE right way to set up a 4x4 tent...

You need a 400cfm 6" fan, with a speed controller, for your exhaust(hooking up a carbon filter to this is optional). This is the vent at the very top of your tent.

You need a 400cfm 6" fan, with a speed controller, for your intake. This is the vent at the bottom, opposite side as your exhaust.

You need AT LEAST a 200cfm 6" fan to cool your light.

Air cooled hood/cool tube/etc.

3, 6" fans, all on speed controllers. Sure they might be some others ways to do it, and unless you have AC anything less than what I mentioned just isn't enough to do it efficiently, and without headaches. I wish my cheap 4x4 tent had 8" duct ports! My tent is in my basement, in a COLD back room(ambient temp avg. is 6, and when I had 4" fans they just couldn't cut it. Don't make the same mistake I did! The set-up I mentioned is really the best way to do it. If you buy 4" fans or weak 6" fans, your gonna be disappointed, and they might not even work to cool your tent enough.

Exhaust and light should be ducted directly outside, or into another room you don't mind getting hot.

If you run that kind of set up, the temp in your tent should be within a degree or two of the ambient temp outside the tent(or the temp of the intake air).

FrostyPelican said:

Don't do that.
I think you are over analyzing and being too self-critical regarding your current project.

1. Your temps are not that bad.(for soil) Don't forget, outside temps will be dropping anyway in the coming months. Leave a window partially open...
2. Most strains take the hobby grower longer than advertised. If it says 60 days prepare for 75-80+.
3. There is no sense in fretting over your fan, it's enough for that tent. I'm saying that because I've never had my area with temps lower than yours (live in a very hot climate state), used a lower cfm rated fan and still have had bountiful harvests of fire using simple nutrients.

Spider mites/bugs can be dealt with Hot Shot pest strips. 7-8 dollars at hardware store.

You should stay the course, you have a decent setup, better than mine, hang in there and be patient.

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Thanks this is a little more aspiring ... Maybe I am overthinking it and these cool nights help me out

Oh yeah, and keep your light cycle so it's on during the coldest part of the day. The light in my flower tent comes on at midnight and off at noon. Soon it will be cold where I live, so it won't really matter-but during the hottest days of the summer I couldn't run my light during the day without my temps going above 85 degrees.