4" or 6" fan??

RaginCajun420

RaginCajun420

Well-Known Member
I finally got my new grow box. Its a Clonebox by Homebox. The dimensions are approximately 4' tall by 4' wide by 2' deep. I have a 400 watt hps with cool tube to go in it. What size fan would you recommend? 4" or 6"? I plan on getting something powerful. Vortex or similar type. Also if anyone has any recommendations on a somewhat quiet fan that would be appreciated also.

Box:


Light:
 
JohnnyPotSeed1969

JohnnyPotSeed1969

Well-Known Member
speaking from personal experience, since the diameter of the cooltube is 6'', i would go with a six inch. reason being, if you have to use 4'' to 6'' adapters, this disrupts your airflow in a negative way and that isn't very efficient that being said, you might want to consider getting a speed control unit for the fan. a vortex will move a lot of air which will cave in the sides of your unit. a speed control unit can usually be had for $20 bucks or so and aren't that hard to wire.
 
RaginCajun420

RaginCajun420

Well-Known Member
JohnnyPotSeed1969 said:
speaking from personal experience, since the diameter of the cooltube is 6'', i would go with a six inch. reason being, if you have to use 4'' to 6'' adapters, this disrupts your airflow in a negative way and that isn't very efficient that being said, you might want to consider getting a speed control unit for the fan. a vortex will move a lot of air which will cave in the sides of your unit. a speed control unit can usually be had for $20 bucks or so and aren't that hard to wire.
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Thats what I was considering was the 6" with speed controller. The only thing is a friend of mine has a speed controller and it actually makes the fan louder. It causes a sort of humming sound. Thanks for the advice.:blsmoke:
 
cream8

cream8

Well-Known Member
i have a six hundedred watt hps in the homebox(big version of the clonebox) trust me get the 6in fan. it will get blazing hot in that little room..more air never hurts
 
blinkykush

blinkykush

Well-Known Member
go six inch to cool the hood, trust me i went 4 and regret it. i ENDED up adding a 6'' 24 '' long PHAT filter which runs totally independent in my room on a 6'' inline eco fan that scrubs the air and removes heat from the room, vents to attic. If i would have went 6 inches to begin w i could have cooled the hood alone, and scrubbed the air in the room w the phat filter w/out venting it.
 
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RaginCajun420

RaginCajun420

Well-Known Member
Looks like 6" it will be then. Thanks for the advice guys. Now does anyone have a recommendation on a fan that is quiet? I know these inline fans are pretty loud and this box is just sitting in my bedroom so I want something not too loud.
 
upinchronic1

upinchronic1

Well-Known Member
I have a brand new 8 inch S&P (quiter than vortex and elicent) 500cfm, that i need to get rid of(downgrading to a 150hps for stealth reasons, this was for my 400w cool tube) PM me for pics if intrested. Oh and i also have a speedster fan controll i could through in with it.
 
JohnnyPotSeed1969

JohnnyPotSeed1969

Well-Known Member
suncourt centrax. the housing is made of plastic, so you don't have to worry about harmonic vibration. the 6'' model moves around 409cfm
 
RaginCajun420

RaginCajun420

Well-Known Member
upinchronic1 said:
I have a brand new 8 inch S&P (quiter than vortex and elicent) 500cfm, that i need to get rid of(downgrading to a 150hps for stealth reasons, this was for my 400w cool tube) PM me for pics if intrested. Oh and i also have a speedster fan controll i could through in with it.
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8" is a little bigger than I was wanting. Appreciate the offer though. I will look into that brand though. Would you think the sound would be abnormal in a bedroom? I keep another fan running just to keep me cool at night so this would drown out the sound a little.
 
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