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Tuk U 4:20/24/7/365

Registered: 06/04/17
Posts: 95
Loc: 3rd Rock from the Sun Flag
Ducting for Tent
    #827338 - 07/14/17 02:15 PM (1 year, 6 days ago)

I have 4" air inlet and outlet openings for ventilation of my tent.  I have a 4" 160cfm fan and carbon filter.  In addition, I am contemplating adding an intake filter to keep crawlies and other crap down to a dull roar.

My questions is this.  Would two 4" x 8' lengths of the flexible aluminum foil ducting as used for clothes dryers suffice to connect outside air to the intake filter and connect the fan output to the exhaust port?  I'm thinking of two individual lengths rather than trying to cut down an 8' into two 4' pieces.  I won't be doing ducting between the carbon filter and the fan, connecting both directly to each other.

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Registered: 06/21/17
Posts: 235
Last seen: 1 day, 4 hours
Re: Ducting for Tent [Re: KenInVic]
    #827339 - 07/14/17 03:35 PM (1 year, 6 days ago)

I find a screen on the intake works better then an air filter because it does not reduce the air flow as much.

Depending on where you live and the time of year its not a good ideal to duct in outside air. In the summer its too hot and vice versa in the winter. I find a smaller exhaust fan works better at keeping the temperature and humidity in check, remember you will need either heating or air conditioning and dehumidification unit or units regardless.

I find that a stand alone heater, 10000 btu air conditioner and dehumidifier that vents out a four inch duct a perfect companion for a grow tent. Both the free standing a/c unit and carbon filter should be located out side the tent.

So if I was you I would duct from the tent to the carbon filter then exhaust outside through the a/c unit. This will prevent orders and keep your plants at the right temperature, humidity and fresh air flow.

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Re: Ducting for Tent [Re: Rider420]
    #827340 - 07/14/17 04:47 PM (1 year, 6 days ago)

Agree no filter just screen on intake.
The longer the ducting the more restriction you add so less cfm . Make them as short as possible and straight, bends in the ducting causes restriction .

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