Cheap Carbon Filter

I was reading a post about someone using a fish pump to blow air out of their grow cab - which got me thinking.

Say that air pump was attached to a long tube (say a half inch in diameter, and 3 feet long, coiled up. Now say that coil of tube was filled with actiavted carbon powder...

If it works, it would be a $20, almost silent, air scrubber / exhaust.

Anyone tried something similar?

i dont see how an aquarium air pump could be used as a venting soultion......i highly doubt it would work....you would need a heavy duty air pump and it would definatly be more than $20

aquarium air pumps come in a variet of sizes - the ones that are used to power bubble wants etc that blow air.

They have an intake in the unit itself, and they output through a nozzle, that you attach to flexible plastic hosing (which could easily be adapted to PVC piping) or use long coils of flexible plastic hose.

They are made to run in humit and hot environments (think under the cabinet of an aquarium) and some are very quite and move alot of air.

tomatofarmer said:

aquarium air pumps come in a variet of sizes - the ones that are used to power bubble wants etc that blow air.

They have an intake in the unit itself, and they output through a nozzle, that you attach to flexible plastic hosing (which could easily be adapted to PVC piping) or use long coils of flexible plastic hose.

They are made to run in humit and hot environments (think under the cabinet of an aquarium) and some are very quite and move alot of air.

Click to expand...

LOL your crazy... There are something like 7 gallons in a cubic foot.. You need a big ass pump lol. I actually calclated a few weeks ago the following to determin how much air i was adding cab using my air pump since my air pump is outside my cab.... I have 320 gallon dual diapram pum that puts out 320 gph. It is not quieter than a computer fan.. Plus it was like 60-70 bones.


1 cubic foot = 7.48051948 US gallons
10 gpm/7.48 7.48051948 g in 1 cu ft
1.33 cfm
x 60
80.21 cfh
cab = 36 cu ft

300 GPH pump will exhaust 36 cu ft 1 time in 60 min.