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Grow Tent Cooling Question

chimeny lungs

chimeny lungs

Active Member
TheRuiner said:
It doesn't matter what the tent looks like really, what I was talking about was the negative pressure issue. You want your tent to at least be trying to concave in because that means that the air is being pulled from it (and not leaking out everywhere there's a hole or airway). Unless your running a completely closed system this is good because you can control the air if the pressure is working with you, when the pressure is positive then the tent will bulge and stinky grow air will leak and smell. If you had something pulling air out and running it through a scrubber then you would have more luck keeping that aspect in check.

I think I was actually wrong with my initial question though, if the cooler that Green Rev was showing us was only circulating air in the tent and not pulling any from the outside then I can see how the pressure might work out. I think with a few ona blocks scattered about you'd be hard pressed to do better than a setup like that. I'm going to look into it; I'm already running a dedicated air conditioner just for my tent now anyway, so I don't see how this would be very different besides being even more enclosed and ready for c02.... that's my end goal, adding co2 to my setup.
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I can dig it I hope you get the co2 down I definitely need it
 
chimeny lungs

chimeny lungs

Active Member
Immature you say give it slack how about me cutting the dimensions of the tent like an inch or two larger than specs only to allow tolerance for the negative pressure to flow effectivly?
 
chimeny lungs

chimeny lungs

Active Member
Lol I'm no good at math never have been all I kept getting was 62330 inches after multiplying my dimensions how did you come up with 36 square cubic feet? I can't thankyou enough 180 is my MAGIC #. Now I can now do my research and window shop
 
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Immature587

Well-Known Member
ya i'd say and extra inch or so would do it but since this is a DIY you're pretty much winging it at this point. it's up to you to make it work. your best bet it to build the thing and keep a close eye on the structures integrity for the first few months. light leaks will be your biggest danger. there are no sure answers at this point. that's what makes it fun.

and remember that to much CFM is always better than to little. just don't go nuts
 
chimeny lungs

chimeny lungs

Active Member
Right right this is fun and addictive I wonder why lol?? You wouldn't happen to know of a for sure way to assemble peices of poly-vinyl without sewing it together and making small holes all over it for light to shine through the sstitches. I thought about sewing it together and then placing reflective tape on the inside of the tent over the treading. But I'm not sure how that'll look or if it would even work what do you think?
 
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Immature587

Well-Known Member
your not going to find a 180 cfm fan. more than likely the closest thing will be a 200 cfm which is perfect because you will lose some airflow from the filter.

as far as stitching i would say go for it and then duct tape over the seams. duct tape is every growers best friend. it fixes all problems. lol
 
TheRuiner

TheRuiner

Well-Known Member
chimeny lungs said:
A 180cfm fan would still work if I were to add a filter right or would I need a better fan?
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I have a DR100 @ 3x3x6 and a 170cfm growbright blower that is doing fine right now. I got a canfan 66 (i think) and holy hell is this thing bigger than I thought it would be! I'm anxious to see how bad the intake is effected, if it takes much of a hit then I have a 6" inline fan I'll add to the mix.... that's on the low end, but with a little tlc i think you can certainly make that work for you...
 
chimeny lungs

chimeny lungs

Active Member
Oh aight thats sounds a lil complicated but I'm sure it would work but besides the lights, fans, and co2 are there any other necessities needed
 
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