what size fan and filter should I use?

texastiger707

texastiger707

Active Member
Hey everyone. I plan on growing 1 maybe 2 plants in soil. It will be a scrog type of grow. I will be using a 250w air cooled light. I will be using a grow tent that is 2x2x5 in size. I was wanting comments on what size fan and filter would be enough for that size tent. Would a 4inch fan and matching filter be enough for odor control, its 190cfm for fan and filter. Should I use a 6inch fan and matching filter, its 440cfm for the fan and filter.
 
Bucees

Bucees

Well-Known Member
Personally I'd use the 4 incher. I have used one in the exact same size tent with a 400watt MH. 440CFM is major overkill for a 250 watt light. I use a can-max 6 inch variable speed on the low setting (201CFM) for my 600HPS and it's cool to the touch.
 
kushdc

kushdc

Active Member
I have a 4 inch mtn gearsmith it's awesome but you deff need to get a fan controller my tent flexs like no other haha. )(
 
P

PositiveGreen

Member
texastiger707 said:
Hey everyone. I plan on growing 1 maybe 2 plants in soil. It will be a scrog type of grow. I will be using a 250w air cooled light. I will be using a grow tent that is 2x2x5 in size. I was wanting comments on what size fan and filter would be enough for that size tent. Would a 4inch fan and matching filter be enough for odor control, its 190cfm for fan and filter. Should I use a 6inch fan and matching filter, its 440cfm for the fan and filter.
Click to expand...
I have used a 4" and a 6" in a 2x2 tent and much prefer the 6". More control/options, especially if you get a variac controller "snaps" referred to. In fact the variac controller (like this http://www.amazon.com/Variac-Variable-Transformer-300va-Output/dp/B006NGI8VS/ref=sr_1_1?ie=UTF8&qid=1390600981&sr=8-1&keywords=variac+controller) has been one of the best buys I've made regarding grow tent accessories. I love that thing. I have been using the Phresh 6x24 filter with 6" Vortex fan.
 
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