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DIY Carbon Filter Compendium

  • by Bohbo
  • Mar 20 2010 04:10 AM
  • 181 Replies
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  • Bohbo
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Posted 20 March 2010 - 04:10 AM

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If You don't like mine, or it won't work for you here are a few other DIY ideas on Carbon Filters:


Not a Carbon Filter but ONA Bucket Masker Valuable to many none the less.
http://forum.grassci...eutralizer.html

Interesting Inline design, very simple and easy to make. Idea is a Ball of Carbon with a backbone that sits in ducting.
http://forum.grassci...ilter-10-a.html

Downshift's PC Fan
http://forum.grassci...per-filter.html

Similar to mine in size for 6" but not really the same design. Worth a look for small 6" Exhaust / Intake Filter.
http://forum.grassci...n-scrubber.html

Coffee Can
http://forum.grassci...bon-filter.html

6" Flange Wire + Cheese Cloth style
http://forum.grassci...r-6-flange.html

Tap Water Filter
http://forum.grassci...ter-filter.html

Similar to 6" Flange one Different Construction
http://forum.grassci...-than-40-a.html

6" Round 20-25" Length
http://forum.grassci...tml#post7732085

Interesting One using 5 Gal bucket (should adapt to any size)
http://forum.grassci...bon-filter.html

One I found similar to find worth a look did an interesting thing with cotton balls instead of 2nd panty hose.
http://forum.grassci...r-wal-mart.html

This one has a nice design sort of like a mini wire mesh one.
http://forum.grassci...bon-filter.html

If anyone finds one they think should be on the list let me us know here, I will maintain a list of DIY Carbon Filter stuff here.

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Materials

KMart:
Knee High Sandalfoot Queen Size Black 6 Pairs 2.99

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http://www.kmart.com...alfoot&sLevel=0

Small Pen Holder 2 x 1.49
(No web link but the normal size you are used to seeing)
~$6

Staples:
StaplesĀ® Black Wire Mesh Jumbo Pencil Holder | StaplesĀ®
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Large Pen Holder 2 x 6.49
~13

Petco:
PETCO Activated Carbon at PETCO
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28 OZ 9.99 (on sale 6.99)
~10

~29 for 2 or <$15 each

EDIT::::::
Walmart:
You can Probably get everything at Petco and Walmart if you don't have a staples and Kmart / Target. Personal preference for me. I found this thread below and thought I would include a link as I think his material choices are easier to obtain (staples didn't have a normal size one for whatever reason Kmart did, Walmart is everything etc etc.)

http://forum.grassci...-zen-style.html
/EDIT::::::




Okay Now for the How to:


Gather Materials


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STEP 0 (Optional*): Drill Holes in Bottom
Aergardenguy was the first person brave enough to try it (was fear of shattering base) I used a 5/32 normal drill bit. The aluminum is soft and you can drill through it without much trouble with a normal wood bit.
*Optional for normal operation if you want to run inline this step is needed.

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STEP 1: Put Stocking on cups from so the open and closed ends match. IE put cup bottom first into stocking.

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STEP 2: Fill 14oz (half of the 28 oz bottle) into each larger through stocking hole or pulled back split evenly.

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STEP 3: Secure outside stocking over rim to the inside cup. And Flip over with hand over top and gently twist and shake and tip back and forth a couple times to even it and secure it hold upside (you want all the carbon towards open end and leave space on the bottom.

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STEP 4: Finish off the stocking pull inside stocking out of the middle cup until it starts to clear the edge pull from end and secure.

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STEP 5: Attach to 4" Fan or to fitting

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For Use on a Hood See Below (Pulling Air, when you can vent to outdoors generally)

You want order to be Carbon on Hood Then Fan Then Exhaust in that order.

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For Exhaust Installation See Below (You Would use this if you can't vent to outside and are venting in your house etc, as this will mask the most smell but reduces airflow more than having it on intake)

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For Inline Installation**
**You must use the tapered outer pencil holder for it to fit inside the 4" tube.
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Edited by Bohbo, 19 June 2010 - 04:00 PM.

  • SmknVTEC, CHRONIKKKK, chiefton8 and 20 others like this
Replies (181)

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  • hustlin321budFL
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Posted 20 March 2010 - 04:26 AM

Thats incredible. Have you tested it? + rep fasho

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Posted 20 March 2010 - 04:41 AM

Thanks for the rep.

Built it tonight and tested it tonight. It really has been starting to stink in the backyard. I opened the door from the kitchen and smelled it on the other end and was like shit, I better do something about that. So on a staples trip for work stuff I found those parts and made a couple stops on the way home and came up with this.

I put it into use right away and went outside still smelled it mind you and when I went to put my nose up to the vent the smell disappeared as I got closer and then gone. Truly amazed me, I was so proud I went and smoked heavily then patiently started my DIY which ended up taking up most of my evening I am just now realizing. So goodnight for now before my wife gives me the eye... the sacrifices I make, no sex me I wager tonight.
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  • hustlin321budFL
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Posted 20 March 2010 - 04:43 AM

So goodnight for now before my wife gives me the eye... the sacrifices I make, no sex me I wager tonight.


Oh noooooes!

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  • subwoofer1000
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Posted 20 March 2010 - 02:49 PM

DUDE, people need to + rep for this, AWSOME, looks frikkin pro, very cool, im makin one just cuz it prolly works better!:hello::hello::hello:

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Posted 20 March 2010 - 03:04 PM

DUDE, people need to + rep for this, AWSOME, looks frikkin pro, very cool, im makin one just cuz it prolly works better!:hello::hello::hello:


Thanks for the encouragement, glad it has had a good response so far. I hope people find it useful. I was getting tired of doing it at the end, is there enough explanation? If someone tries give me some feedback of where the guide is lacking so I can update it to avoid that trouble for anyone else. I can add some text to photos or caption if it helps.

Checked my backyard and its smelling swimmingly clean this morning. Grow room still smells delightful (main reason I didn't want to do the ONA method)
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Posted 20 March 2010 - 03:26 PM

Added Example pics of it in place at end of original post.

Edited by Bohbo, 20 March 2010 - 03:37 PM.


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  • Allgood32
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Posted 20 March 2010 - 04:58 PM

You deserve more rep. Wish I could give it to ya!

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  • potblower
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Posted 20 March 2010 - 06:28 PM

good stuff, mines is basically the same on a larger scale, gonna hook it up tommrrow, then start flower a day after or later this week for sure :hello::hello::hello:

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  • Vader21
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Posted 21 March 2010 - 10:02 AM

+rep this is great, I love carbon

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Posted 21 March 2010 - 10:13 AM

+rep, I will make one today.

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  • Blazican
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Posted 21 March 2010 - 10:59 AM

im trying to look into everything i need for a small grow set up in the closet of a room. Ive seen acouple methods of these carbon filters, but can someone point me in the direction of a thread that explains the best way to use this on a closet set up?

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Posted 21 March 2010 - 01:36 PM

im trying to look into everything i need for a small grow set up in the closet of a room. Ive seen acouple methods of these carbon filters, but can someone point me in the direction of a thread that explains the best way to use this on a closet set up?



carbon--->fan----> hood (if applicable) ---> exhaust

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Posted 21 March 2010 - 02:16 PM

If I were doing a closet grow personally. (Almost same as Doc) I would do Carbon on Hood Intake then Fan then Exhaust

Stinky Flower Room --> Carbon --> Hood --> Fan --> Outside. If you are dong a closet grow do yourself a favor spend a little more for a sealed up 4" aircooled hood. And run it that way fan on 24/7.

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Posted 21 March 2010 - 03:25 PM

@Blazican

I explained in previous post, but I thought I would take a couple pictures since my veg modified shelving cab area is very much like a closet grow. I have a plastic curtain I made out of the 2 sided black white heavy plastic. And some grommet eyelet things. Normally it is closed up with little light leakage around edges (doesn't matter though).

I took a new pics of ventilation so you can get a visual of where the carbon goes in relation to the rest of the ventilation setup. Hope this is helpful.


Here you go:
EDIT::Moved images and included instruction in original post.

EDIT::: I Also tested it on exhaust and it worked great. So if you have it setup on hood like above and hood has air leaks so the exhaust still smells you can attach it to exhaust with any hard fitting, like Adjustable metal elbow, or quick dryer connect ($5-10ish at home depot)

Edited by Bohbo, 21 March 2010 - 04:38 PM.


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Posted 21 March 2010 - 05:09 PM

I had an idea how to make this work as an in-line filter also... If people are interested I will get the slightly different parts and give it a try. Just post, PM, me or Post on Public Profile or something to let me know whether or not people would find that application helpful, for me its not but my setup isn't everyones.

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  • ShadowToker
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Posted 21 March 2010 - 10:52 PM

Hmm I did it another way, you buy a 4" duct connector, and 4" duct end cap, a carbon filter for like your stove (it will be a material trapped in metal) and some netting like the kind you use on a screen door.

And pretty self explanitory. Attach the duct connector to the end cap via net matterial, crack open the carbon filter casing, take out the materialand roll it up into a tube and put it inside your casing type of thing.

I still only have tiny sprouts, which don't produce smell, but I hope this works.

And yeah please make one for in line filters or whatever, I'm growing my babies in a stealth drawer, not in a room

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Posted 29 March 2010 - 09:35 AM

Nice walk through ! +rep

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Posted 02 April 2010 - 05:28 AM

I just made this a sticky.

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Posted 02 April 2010 - 05:40 AM

Thanks VTec! Hope it helps the City




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