how to tell if your carbon filter is getting air through it

james2222

Member
hi guys i was jw how do i know if my diy carbon filter is blowing enough air through it? does it need to be blowing hard or is it ok if i feel a little coming out? jw lol:bigjoint:
 

jballs

Active Member
A little is good you dont want it coming out to fast or it will not have time to let the carbon retain and trap the smell.
 

xceptional

Active Member
wet your hand and place it like a few mm from the filter. wetting your hand raises your sensitivity to air moving around it and you can tell if air is moving near it or not.
 

james2222

Member
ok ya i can feel a little air not alot though its just a tiny grow cab that i am filtering its a mini fridge about four foot by two foot ill get a pic up in a sec
 

riddleme

Well-Known Member
If you smoke cigarettes you can put a burning one in front of it and watch the smoke (what I do) you could use a joint if you don't or you can light a match and watch it move the flame, or use a lighter, or a candle

it all works great for "seeing" air move
 

james2222

Member
ok well i put a burning piece of paper in the cab and i could smell the smoke a little bit on the carbon but couldnt see it moving my lighter wen i put it next to it so i dunno wats goin on
 

james2222

Member
ya i guess it could have i just made it though so i dunno if it would do it that fast i have the grow in the closet still but there are a few light leaks it doesnt matter for the plants as they are snowryder autoflower strain but ppl do come in there and i thought i might could control smell and light better in a small fridge but looks like ill just have to stay with the closet any suggestions for carbon filter set up in a closet? also gets way too hot in the fridge
 
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