Inline fan

sonson176

Well-Known Member
If it's just air for cooling your light, with the intake and exhaust not located in the grow area, blowing it in would be preferred. That way you won't have any issues with small leaks in the hood sucking in the smell and blowing it out the exhaust unfiltered. This is assuming you have a separate exhaust system in place, which it appears that you do/
 

Altered State

Well-Known Member
It depends if your running a closed system or vented if its vented you suck threw the filter and exhaust out the wall.

if its a closed loop system Blowing threw the filter works fine it allows you to mount the fan and filter remotely , its how I do it but have read its 25% less effective. Not sure how true it is its worth checking into.
 

Oregonhwy101

Active Member
If it's just air for cooling your light, with the intake and exhaust not located in the grow area, blowing it in would be preferred. That way you won't have any issues with small leaks in the hood sucking in the smell and blowing it out the exhaust unfiltered. This is assuming you have a separate exhaust system in place, which it appears that you do/

I have a 6 in hooked to filter then 8 in reduced to 6in exhausting light right now its pulling through and exhausting into attic was nust wondering if pushing would be more effective
 
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