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My Setup came give me some thoughts
- Thread starter Inuart88
- Start date
Beach_Town_Brit
New member
Build day is so much fun (but perhaps not quite as much fun as scissor hash day) 
I found that mounting my fan inside the tent helps reduce noise a bit, as does suspending the fan unit with bungie cords.
Good luck with those clones.
I found that mounting my fan inside the tent helps reduce noise a bit, as does suspending the fan unit with bungie cords.
Good luck with those clones.
Great tips about keeping an exhaust fan quiet! I also hang my exhaust fan from inside of the tent (I have mine hanging from rope ratchets) and that made a huge difference in the amount of noise It also helps keep the exhaust system working far better if the fan is close to the grow light/heat source (like Potted said below)
It also helps keep the exhaust system working far better if the fan is close to the grow light/heat source (like Potted said below) 
William and Sue Ashley
Banned
Looks like you have done some research....I have the same lights....2 and same ballast and all that....39 days 27/7....running like a champ...Good Luck...Its Fun......(DWC)...next time...Autos.....Peace.....
bobsakamoto
New member
hey, those of you that have fans hanging inside....
i've read that it's better to pull the air out of the light....but i've also read (fewer reports) that say you should push the air through and across the light....does it matter? what are the considerations in play?
thank you!!
i've read that it's better to pull the air out of the light....but i've also read (fewer reports) that say you should push the air through and across the light....does it matter? what are the considerations in play?
thank you!!
I've always heard that it's better to pull hot air out of the light. For example that's why on computers you have fans pulling air out instead of pushing it in. Pushing air in also increases the amount of dust that goes in compared to a passive air intake.
But... although I've read from other growers (and only seen it this way in grow rooms) I have to admit I've never tried it both ways myself to see how big of a difference it actually makes.
I'd love to hear from other growers about this! It's easy to get caught up in "it's always done this way" but real experiments are even better!
But... although I've read from other growers (and only seen it this way in grow rooms) I have to admit I've never tried it both ways myself to see how big of a difference it actually makes.
I'd love to hear from other growers about this! It's easy to get caught up in "it's always done this way" but real experiments are even better!
South Sierra Dude
New member
To me It's worth ducting the light all c the c way and running ducts in and out as well. Eliminates light leaks and makes the tent run cooler. .02
This is generally how it's recommended to set up your exhaust (though there are definitely variations!). The main goal is to have the air go in a short, straight line if possible.
This is what mine looks like inside the grow tent. The fan is hung from the top of the tent so it's positioned right next to the exhaust hole, and ducting connects the light to the fan. There's a lot of extra ducting in this picture, and I have since cut the ducting shorter so there's less slack. The less ducting the air has to go through, the more efficient the system! But even when it was like this is worked very well.
Then I have their hot air go out through a window through bamboo curtains (which lets air through but not light).
I wrote a little more about it here (with pictures and videos), along with a few other ideas for making a stealthy exhaust.
I'm not sure if it helps, but I also made a little "cheat sheet" for exhaust systems
This is what mine looks like inside the grow tent. The fan is hung from the top of the tent so it's positioned right next to the exhaust hole, and ducting connects the light to the fan. There's a lot of extra ducting in this picture, and I have since cut the ducting shorter so there's less slack. The less ducting the air has to go through, the more efficient the system! But even when it was like this is worked very well.
Then I have their hot air go out through a window through bamboo curtains (which lets air through but not light).
I wrote a little more about it here (with pictures and videos), along with a few other ideas for making a stealthy exhaust.
I'm not sure if it helps, but I also made a little "cheat sheet" for exhaust systems
bobsakamoto
New member
Inuart88
Banned
Clones have come at las t also changed my vent to pull from top of tent creating a vaccum pulling in air through to bottom these clones are a month old so first week of veg my little guys are 1week and a day behind from seed. my tent will take 9 7 gallon smart pots so i have 9 here i think i can make it work
