Advice on which Carbon filter to buy

Dave017 · Jan 25, 2014

Hi guys I just got a great deal on a inline fan http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&item=390750503151 My question is what carbon filter should I get for this fan (Size and Brand)? I am going to be using a fan speed control to dial down the fan a bit for noise. How much will it reduce the CFM? Can I get away wit a 326 CFM rated filter for this 400 CFM rated fan like the Mountain Air 620? Thanks

BeastGrow · Jan 25, 2014

pretty sure you get a bigger filter than the fan if anything. otherwise the air will blow through too quick to get the filtration that company suggests. slowing the air will increase the contact time with the carbon.. if the speed controller can dial it down to 75% or 50% you could probably use the filter

nittygrittydirt · Jan 25, 2014

don't skimp on ventilation!

Dave017 · Jan 26, 2014

any brands you guys suggest for a fair price?

DemonTrich · Jan 28, 2014

build your own custom scrubber. I built mine for about 125.00 start to finish and is a monster. 180oz of premium activated charcoal, and is almost 3.5'l x 15"w (2" of charcoal) and matted to an 750cfm fan. absolutely NO smell in my grow area.

Dave017 · Jan 28, 2014

DemonTrich said:
build your own custom scrubber. I built mine for about 125.00 start to finish and is a monster. 180oz of premium activated charcoal, and is almost 3.5'l x 15"w (2" of charcoal) and matted to an 750cfm fan. absolutely NO smell in my grow area.

3.5 feet WOW sounds like a beast lol I only need one big enough for a 4x2x7 Tent with a 400 CFM fan. How did you build it any pics or instructions? I have been thinking of making one.

DemonTrich · Jan 28, 2014

https://www.icmag.com/ic/showthread.php?p=509470

I run my filter with out the white prefilter sleeve on it. I found it too restrictive.

Dave017 · Jan 28, 2014

DemonTrich said:
https://www.icmag.com/ic/showthread.php?p=509470

I run my filter with out the white prefilter sleeve on it. I found it too restrictive.

Thanks I think I am going to try this

Dave017 · Feb 16, 2014

DemonTrich said:
https://www.icmag.com/ic/showthread.php?p=509470

I run my filter with out the white prefilter sleeve on it. I found it too restrictive.

Any Idea aprox how much carbon I would need for a 2 foot long 6 inch round filter

DemonTrich · Feb 16, 2014

for my application I use 150-160 oz of the charcoal.

heres the link to what I buy
http://www.amazon.com/gp/product/B000YJ2W0I/ref=oh_details_o02_s00_i00?ie=UTF8&psc=1

make sure you thoroughly wash the pellets before using. I put mine in some panty hose (doubled the legs) and rinsed for a bit until all the black water is gone. then let air dry (still in pantyhose) in my veg tent for a day or two.

Dave017 · Feb 16, 2014

DemonTrich said:
for my application I use 150-160 oz of the charcoal.

heres the link to what I buy
http://www.amazon.com/gp/product/B000YJ2W0I/ref=oh_details_o02_s00_i00?ie=UTF8&psc=1

make sure you thoroughly wash the pellets before using. I put mine in some panty hose (doubled the legs) and rinsed for a bit until all the black water is gone. then let air dry (still in pantyhose) in my veg tent for a day or two.

Since I am in Canada I need to buy off amzon.ca for free shipping which of these would you say I should get? Also they don't say if they are granules or pellets how can I tell?

Dave017 · Feb 16, 2014

http://www.amazon.ca/Activated-Carb...2575889&sr=8-3-spell&keywords=activated+cRBON

http://www.amazon.ca/Acurel-Premium...p://www.amazon.ca/Activated-Carbon-Jar-Media-

Dave017 said:
Since I am in Canada I need to buy off amzon.ca for free shipping which of these would you say I should get? Also they don't say if they are granules or pellets how can I tell?

DemonTrich · Feb 16, 2014

http://www.amazon.ca/Acurel-Premium...tp://www.amazon.ca/Activated-Carbon-Jar-Media-

this one.

make sure you buy enough so you don't have to buy more if you don't have enough for the initial project.

Dave017 · Feb 16, 2014

DemonTrich said:
http://www.amazon.ca/Acurel-Premium...tp://www.amazon.ca/Activated-Carbon-Jar-Media-

this one.

make sure you buy enough so you don't have to buy more if you don't have enough for the initial project.

ok thanks a lot gona give it a try.

Dave017 · Mar 1, 2014

I put it up this morning not a smell anymore worked great, all for less than a bill thanks so much for persuading me to build my own!!! Looks store bought, Amazing!!!!

Advice on which Carbon filter to buy

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