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Passive Intake Question - 420 Magazine
Passive Intake Question - 420 Magazine If I have a room thats 7x7x8 and a 8inch 740cfm inline fan how big would my passive intake holes have to be so there would nit be a srrain on my fan ? devin828 The inline fan is the ... Posted by devin828 If I have a room thats 7x7x8 and a 8inch 740cfm inline fan how big would my passive intake holes have to be so there would nit be a srrain on my fan ? devin828 That's the same size ...
http://www.420magazine.com/forums/cabinet-closet-grow-room-setup/61198-passive-intake-question.html
Passive Intakes.Light/Smell? - 420 Magazine
Passive Intakes.Light/Smell? - 420 Magazine I have a couple questions regarding passive intakes (just a 6" hole in the wall near the floor). #1. What is the bet way to make sure no light gets in or out of my room through the intake hole? #2. How do ...
http://www.420magazine.com/forums/cabinet-closet-grow-room-setup/104944-passive-intakes-light-smell.html
Passive Intake VS. Inline Fan (Grow Tent) wat do u think? - 420 Magazine
Passive Intake VS. Inline Fan (Grow Tent) wat do u think? - 420 Magazine Im planning on using 4x4 tent with 1000w aircooled HID.........Ive heard that i dont need intake fan just run passive intake through hole towards bottom, but i also heard passive ok but fan better. For me I like the idea of less noise and less cost thats for sure so passive sounds ideal but i ...
http://www.420magazine.com/forums/cabinet-closet-grow-room-setup/108927-passive-intake-vs-inline-fan-grow-tent-wat-do-u-think.html
Passive Intake
Passive Intake just bought a grow tent and temps have been higher then normal. so i got a intake system that comes through the top. my question is do i put my fan on the inside of my tent ... pull the hot air from your light down over your plants then out. but i agree.. intake near the bottom. exhaust out the top. yea intake on bottom exhaust at top on opposite side so it pulls air up and accross your ...
http://www.rollitup.org/grow-room-design-setup/126054-passive-intake.html
Passive Intake or Less Exhaust?
Passive Intake or Less Exhaust? Here's my question. I have 1 x 8mm fan intake, and 1x 120mm fan exhaust. My temps are too high (only a 40 cubic foot growspace) for my 1 plant ( ... I: a) Install it as another exhaust, and then cut a hole in the bottom for a passive intake. b) install it as an intake, and force more air into the box, and the exhaust fan will obviously be able to vent a ...
http://www.rollitup.org/grow-room-design-setup/196753-passive-intake-less-exhaust.html
Passive Intake Smell
Passive Intake Smell Hey everyone im putting together a rubbermaid box my gf doesn't want our room smelling. Ive been hearing that using fans for intakes is a bad idea, that i should just stick with passive intakes however im worried about smell so would a passive one smell? or should i add fans so no air comes ...
http://www.rollitup.org/general-marijuana-growing/64011-passive-intake-smell.html
Passive intake - 420 Magazine
Passive intake - 420 Magazine How do i figure out the size of my intake holes if I make it passive the box is 2'x2'x4' and two fans that are 3.25"x3.25"? Thanks What is ... at 28db so pretty quiet Quote: Originally Posted by drkdiglr112 The fans are rated at 31CFM I would make the intake around 4 inches. Maybe start out with two 2 inch holes. You have 16 cf of space, pulling 31 cf ...
http://www.420magazine.com/forums/frequently-asked-questions/154817-passive-intake.html
passive intake - The Garden's Cure
passive intake - The Garden's Cure hello!! my cabinet is 21 cubic feet and i just ordered a 4 inch vortex fan that move 177 cfm. how big do i need to make my intakes 2-3 times the size of your exhaust ... 4" passive intake = 50.24 sq in 50.24 sq in / 3.14 = 16 the square root of 16 is 4, so the passive intakes hole radious is 4" 4" radious x 2 = 8" diameter hole 8" passive intake hole so ...
http://www.gardenscure.com/420/construction/101299-passive-intake.html
Air being pushed out passive intakes?
Air being pushed out passive intakes? - Grasscity.com Forums I have a cabinet set-up with a 6" inline fan with carbon scrubber. The inline ... , air is expelled through the exhaust via the inline fan, but it is also expelled through the four 1" intake holes I have drilled towards the bottom of my cab. The cab is virtually air tight, however small amounts of ...
http://forum.grasscity.com/grow-room-design-setup/406396-air-being-pushed-out-passive-intakes.html
Passive intake vents
Passive intake vents - Grasscity.com Forums Sup GC friends, I am in the final stages of my grow room build. Waiting on ... my passive intakes. I have a 4 inch exhaust so according to most threads ive read you need to double this for the intakes, is this correct? And my second question to yall is, has anyone ever used dark room vents as passive intakes? i ...
http://forum.grasscity.com/lighting/691391-passive-intake-vents.html

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