Help! Why is my tent heating up so bad

my windows are also criss cross crom each other so it makes some kinda negative postive pressure thing and controlled by a switch gotem at home depot for 30 bones bathroom exhaust fans. power air or something they are seeming to work great for me i have a 10x10
 
So someone had mentioned not measuring the temp in direct light. Don't you want to know the temp at the plant's level?
 
SpawnOfVader said:
So someone had mentioned not measuring the temp in direct light. Don't you want to know the temp at the plant's level?
Click to expand...
I measure at canopy level but you want to use a small sensor that isn't catching a ton of photons. The best way to measure the temp, though, is to measure the leaf temps at the top of the canopy with an IR thermometer.
 
TreeFarmerCharlie said:
Those are horrible for tent exhausts. They have really low CFM and can't deal with any flow restrictions (like carbon filters). Those are meant to help remove fart smells from bathrooms, not to help control the environment of a tent.
Click to expand...
Agreed, I actually tried one of those as my first fan and it didn't do jack. I feel like the current fan is adequate since it is double the power of my last fan and it's not making much difference- doesn't seem to be the amount of flow that's the problem. Looking into venting outside and moving the intake to the AC vent for the room.

FYI current fan is loud AF but the amount of air coming out the exhaust is ridiculous.

 
They work surprisingly well for me, Im not running a tent tho, I made my own room they are 250 CFM haven't hooked up a carbon filter yet either in about to find out. If it don't I'll just have 2 in take fans buy a good one for the one going out
 
TreeFarmerCharlie said:
I measure at canopy level but you want to use a small sensor that isn't catching a ton of photons. The best way to measure the temp, though, is to measure the leaf temps at the top of the canopy with an IR thermometer.
Click to expand...
So if I'm not doing an IR thermometer I should probably get something with a probe I can put at canopy level.
 
igrowpot87 said:
They work surprisingly well for me, Im not running a tent tho, I made my own room they are 250 CFM haven't hooked up a carbon filter yet either in about to find out. If it don't I'll just have 2 in take fans buy a good one for the one going out
Click to expand...
How long have you been growing for? You keep saying that things "work good for me" but I have a feeling you just don't understand what "good" is yet. We've all been in the same spot as you at one point and you are making the same mistakes we all have. The sooner you realize this the sooner you will stop wasting your hard earned money on equipment that just doesn't do the job.
 
TreeFarmerCharlie said:
How long have you been growing for? You keep saying that things "work good for me" but I have a feeling you just don't understand what "good" is yet. We've all been in the same spot as you at one point and you are making the same mistakes we all have. The sooner you realize this the sooner you will stop wasting your hard earned money on equipment that just doesn't do the job.
Click to expand...
Indoor cannabis? 2nd grow which is why I'm on here. Plants in general? I've been running a 50 acre biodynamic farm for close to 20 years.
 
SpawnOfVader said:
So if I'm not doing an IR thermometer I should probably get something with a probe I can put at canopy level.
Click to expand...
Yup, you can see how I have mine hanging in this picture. There are actually two sensors in mine...the larger white one is for my control system, so I can monitor the temp and RH and control my humidifiers with those readings. The thin metallic sensor is from my AC Infinity T6. The white sensor has a lot more surface area and it consistently reads a few degrees warmer than the other sensor.
sGDazoH.jpg
 
SpawnOfVader said:
So someone had mentioned not measuring the temp in direct light. Don't you want to know the temp at the plant's level?
Click to expand...

You want to measure air temp. Not the radiant heat the light puts out.

You just need to shade the thermometer with white card or in a well mixed space measure above the light line.

But an IR gun and leaf temp is a better way these days. Both are important. Radiant heat not so much.
 
TreeFarmerCharlie said:
Yup, you can see how I have mine hanging in this picture. There are actually two sensors in mine...the larger white one is for my control system, so I can monitor the temp and RH and control my humidifiers with those readings. The thin metallic sensor is from my AC Infinity T6. The white sensor has a lot more surface area and it consistently reads a few degrees warmer than the other sensor.
Click to expand...
How quiet are those AC infinity fans? I was looking at them but didn't know if it was worth the extra $$. The one I have is putting out about 55db
 
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