Got a couple questions, Sexing, and Fans

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Astaldoath

Well-Known Member
First off will these fans work to exhaust my grow room?

http://www.aftproducts.com/Duplicate-of-Duplicate-of-Dupli1.item

Rated at 240 CFM free air not boosted.

If they will how loud would expect them to be, i dont want anything louder than my PC fans, they are around 50 db.

Second, will my plants show sex before flowering? They are from bag seed and are getting pretty big. I dunno if I should force em to flower soon or what. Including most recent pics in the post here.

Also, where is the tutorial for the cheap home made activated charcol filter? If i dont have to spend 70 bucks Id rather not do it.
 

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SuicidalGuy

Active Member
how big is your grow room, you want to exhaust the air about once every 3 or 4 minutes at least. so if you have a 500 cu ft room you would want 500 / 3 = 166cfm or better.
 
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Astaldoath

Well-Known Member
SuicidalGuy said:
how big is your grow room, you want to exhaust the air about once every 3 or 4 minutes at least. so if you have a 500 cu ft room you would want 500 / 3 = 166cfm or better.
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its like 6 long x 3 wide x 4 tall

so i guess 72 cubic feet.

Will a duct fan work though? Or Will i need one of those 200 dollar blowers (i hope not)
 
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Astaldoath

Well-Known Member
Astaldoath said:
its like 6 long x 3 wide x 4 tall

so i guess 72 cubic feet.

Will a duct fan work though? Or Will i need one of those 200 dollar blowers (i hope not)
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Im just curious if one of those 6 inch duct fans will pull air through a carbon filter or not. I dont wanna waste 30 bucks, im broke as shit
 
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