I cut some 5/16" plywood to run across the frame bars and set the fan and filters on top. Gives me a ton of room in the tents.
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Sure, but then you have to put the filter in the tent. You can push air through them fine just make sure to seal up your duct connections well.
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I’m m confused… why would I need to put the filter in the tent?
Your saying just swap the position so the filter is on the very end like @Frankken_Ford ?
I just assumed having the filter first would clean the air before it hit the fan… I see, the air comes out all through the filter not just the end opening.
Got it.
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That’s the easiest way to do it. Only real issue is the loss of the dust filter functionality.
Only if you want to pull air through it. There are more creative ways to do this also.
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Yeah I didn’t realize the filter had holes all over it 
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The way I see it, this is the only real downside to mounting it outside. The setup is losing the dust filter for the fan. I’m guessing maybe will wear the fan out a little faster…
That sounds totally worth it for an extra foot and a half of space or so
I could also toy with some sort of fabric air filter over the vent hole on the inside of the tent to grab some of the dust on the way out. I love the engineering aspect of this.
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So are you using the filter to stop dust from leaving your tent? Or to cut down the smell? the only reason you use a carbon filter opposed to a paper is for neutralizing the smell.
They make them already pre made for that
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Cut down on the smell. I just have to set it up ‘backward’ for the external mount setup and assumed it might get a little more dust into the fan that way…
I was on a reddit thread where people were obsessing over the “dust and debris” not getting filtered out and causing potential fan damage when it’s setup that way and were arguing back and forth about it.
No real downside to it at all it sounds like.
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I like the look of that SF tent- if i run into height issues i might have to grab one of those.
Just thinking out loud here, but could you take about a 5’ piece of the dryer hose and start with one end inside the tent in one of the top most holes and run that to the intake on your carbon filter and from there to the fan? That should draw the hot air, dust, and odor out of the tent, into the filter, and then spit out the other side of the fan.
My understanding with the filters, and I would have bad information, but I believe there is an intake end of the filter and an exhaust end.
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That was my original thought, but the filter has holes all over it… the fan wouldn’t work right… I’ll just put some sort of light mesh filter over the vent inside the tent that the air is going out of.
I’m still considering switching to a taller tent before the Amazon order goes through but I think I made the overall right decision considering the low winter temps I’ll be battling… assuming less cubic feet is easier to heat.
Won’t really know until I just start I guess… plus the aci tent was less than $100 after all the rebates.
It’s still 6 feet tall and with no hvac in there i hope that should leave enough room. plan to top and train my plants as well
Don’t use that filter in high humidity FYI so leave it off first half of the grow
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I still lurk from time to time.
The home with the greenhouse I sold nearly 5 years ago. How time flies.
Hope you are well.
Keep them thumbs in the soil :-))
99
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Yes it does. I’m finally getting ready to pop the platinum huckleberry x GSC from 8 years ago.
Hope all is well. 
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Ever get a light? I have a migro aray4 in my 2x4 and it’s putting out some heat. Buds and temp.
Seems to be slightly warmer than 2x spider farmer sf1000s inside the tent. The driver is outside the tent and also generates heat. Getting great results out of it otherwise.
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Yeah man I went with 2 vivarspectra xs1500 pros. - 150w each
The hardest part about them so far was backing them up far enough to not burn the plants
I’ve still got them almost 2 feet away at 50% power… For me, heat generation is actually a positive because I live in Alaska… The drivers are not removable on these models.
I’ve got them under about 425 PPFD here
So far so good though
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Just curious, how close do you have it to your plants and at what dim setting?
How did the grow come along with your new set-up?
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Week 2 of flower:
I had to cut one of my main three - hermed … which is why the left part is lower… luckily I was cloning backups so I filled it out the best I could
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