How to push out sucked in mylar tent walls?

r.i.kid

Well-Known Member
Agreed, Bamboofarmer and Antgotaclue above recommended an active intake and passive exhaust to push out walls, but the downside to that is air coming uncontrolled out of all the leaks in your room. It's not appropriate if you want to control your smell, like using a carbon filter.

I push my walls out physically, with concave bracing, not with positive air pressure :)
drill a hole and mount with a zip tie...easy as pie..for further sturdy Ness go with ferring strip at a lowes of home depot
 

bamboofarmer

Well-Known Member
Agreed, Bamboofarmer and Antgotaclue above recommended an active intake and passive exhaust to push out walls, but the downside to that is air coming uncontrolled out of all the leaks in your room. It's not appropriate if you want to control your smell, like using a carbon filter.

I push my walls out physically, with concave bracing, not with positive air pressure :)
I suppose that's true, but if you tune everything just right, almost no air at all will escape the tent. I don't balloon the walls out, just keep them nice and relaxed. I actually have an active intake and exhaust, but use only one fan to do it.
 

r.i.kid

Well-Known Member
I agree with you op...keep a slight negative pressure..any thing else air will be escaping and so will smell.. no such thing as a tottaly air tight opp......
 

GreenLogician

Well-Known Member
Bamboofarmer, how do you do an active intake and exhaust of the same tent, with a single fan, without just recirculating the same air?
The only way I've met those criteria is when the exhaust fan from one tent blew into the intake for another.
 

bamboofarmer

Well-Known Member
Bamboofarmer, how do you do an active intake and exhaust of the same tent, with a single fan, without just recirculating the same air?
The only way I've met those criteria is when the exhaust fan from one tent blew into the intake for another.
Sounds like you know what I mean. Yes there is some exhaust circulated, but temp in tent is still easily maintained as long as I'm bringing in cold air from outside.
 

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Hey guys. First post here. Been browsing for years. I usualy keep to myself when it comes to growing, but... I too have had problems with walls sucking in for years now and have tried everything from coat hangers, string, duct tape, Velcro. The other day I was grabbing some ff soil from the hardware store and ran into these(pic #1) Some kinda conduit holding clips. Was found in the electrical section. Lightbulb! They looked like they'd clip perfectly to tent poles.. So I bought two to test out. They fit. So I bought 6 more. For a total of $4. I used 3/16 steel rods that I had laying around. U could use 1/8" or 1/4" or anywhere in between. Depending on tent size this could run anywhere from $20 to a bunch. I just happened to have some that fit perfectly. I cut the rods to about 1" longer then width of tent. Bowed a little. So when u clip them on they will bow outwards like 4-5". This not only held my walls from caving in but placed in the right spot gave me MORE grow space in my little 4x2 tent. Although 48"x24" at the bottom and top, my "canopy space" has increased to around 56" and 30" at center. U can also moved them up and down. Add more. Remove them in 5 seconds if needed.. I am stoked about this and just thought I'd share my recent discovery.
 

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GreenLogician

Well-Known Member
Wow man, awesome!
The same path of discovery I've started down with the coat hangers, but an evolution further; modular!
 
These little clips also work great for holding scrog screens. Drill a hole or cut a small notch. Which I'm very wary of now because of my last run. I had a clip fan come undone. Because walls of tent Sucked In and unclipped it!. It fell from top. Landed on scrog net and not so neatly clipped about half my crop off!! Lessoned learned.
But ya I pretty stoked about this little fix. Not only works. But looks legit. Not like the ghetto coat hangers and different colored strings and ropes I've tried. It looks like something u could prob market for grow tents. Legit. I'll have to try snap a pic of them on tent. I have so much more canopy room now!!!
 

GoHardGrowHard

New Member
my local shop been telling me about that product encouraging me to buy it he thinks its brilliant. i pre ordered it yesterday i got 2 packs for my 1.2 x 1.2m tent. i found this pic on a site.

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Jonstipated

Well-Known Member
I used curtain rods. They are expandable to fit whatever size, and the ends are pre-bent and easy to bend the rest of the way to fit around existing tent structure. They are pretty sturdy, enough to keep my tent from sucking in much. They were $8.50 at the hardware store for two that fit my 48x80". I'll have to get one more set to complete 3 sides.
 

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GoHardGrowHard

New Member
I used curtain rods. They are expandable to fit whatever size, and the ends are pre-bent and easy to bend the rest of the way to fit around existing tent structure. They are pretty sturdy, enough to keep my tent from sucking in much. They were $8.50 at the hardware store for two that fit my 48x80". I'll have to get one more set to complete 3 sides.
theres loads of ways to diy to stop caving walls but that expando pushes the walls OUT. if you read the benefits of it its unbelievable, makes sense. people like me spend loads of money creating a better environment for my plants to gain more yield and better finish. its products like this that genuinely work. based on logic, more space, more light space, better airflow, read the benefits its endless. plus it looks pretty in my tent :lol::lol::wink:
 

Jonstipated

Well-Known Member
theres loads of ways to diy to stop caving walls but that expando pushes the walls OUT. if you read the benefits of it its unbelievable, makes sense. people like me spend loads of money creating a better environment for my plants to gain more yield and better finish. its products like this that genuinely work. based on logic, more space, more light space, better airflow, read the benefits its endless. plus it looks pretty in my tent :lol::lol::wink:
That's good I'm glad you are happy with them. However due to space constraints some people would rather not have their tent bowing outwards. Can you put them horizontally and vertically? I was simply sharing my successful method for keeping my tent in its original shape, which genuinely works based on logic.
 

GoHardGrowHard

New Member
That's good I'm glad you are happy with them. However due to space constraints some people would rather not have their tent bowing outwards. Can you put them horizontally and vertically? I was simply sharing my successful method for keeping my tent in its original shape, which genuinely works based on logic.
i understand dude we all had to do diy at sometime. but you can control how much you push out with it too. whatever works for you i guess. happy farming! :lol::lol:
 

WeedFreak78

Well-Known Member
These don't make much sense to me, financially. That says 2 per side, so it'd cost just as much to fully equip a 4×4 tent with these as what you'd paid for one. If you have a smaller tent than a 4x4, just get a larger one with that $$$, BAM more space, rather than trying to doctor a poor situation. Plus you'll have your old tent as a spare.

If you have a big tent, just make some for a few bucks. Get 2 pieces of pvc that slide in each other, some T and 90° fittings to make's the end brackets, cut a piece of pipe in half to make the ends that rest on the poles, some set screws or clamps. You could build a whole tents worth of those for the price of 1, maybe 1 1/2 of those..... and not wait until April.
 
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