EBay for bulk carbon.. Gotta agree fully with the design critique though..

How much carbon do you think I would need? It's not that bad on ebay, I don't know why I don't look for more stuff on there.

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Just grab a good deal.. It will likely be alot, but that shit is good for alot of things from moonshine cleanup, to poisoning control..

I'm sure this would be plenty for your application. 3.5L for 18.99

http://www.petsmart.com/product/inde...ID=NA#prodTab1

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DIY 3 gallon DWC bubbler tutorial - Diggitydank's 2nd DWC grow

Nice! Do you think pet stores would have that in stock? I'm going to check my local ones to find out.

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Use the truth as a weapon.
Beat your friends with it.

Yah.. you can find that at pet stores. Look in the aquarium section.

__________________
"Sometimes I actually think I'm slightly retarded in the mouth." -Doug Wilson
DIY 3 gallon DWC bubbler tutorial - Diggitydank's 2nd DWC grow

I got some activated carbon. The local pet store had it for $24.95. Now I will be getting some screen and building a frame to hold it with.

born2kill you mentioned something about keeping the air from the light seperate from the air in the filter. Please excuse me if I sound stupid here but, how would I keep the smell from going thru the light vent? Can you please explain a little more?

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Use the truth as a weapon.
Beat your friends with it.

Why not go with a proven design?? Screen kills alot more airflow than nylon stocking wrapped rat-wire, and in the case of nylon screen wrapping alone you'll end up with gaping channels to leak air unfiltered due to lack of rigidity pretty much however you try to stabilize it..
There is a reason proven designs are so much different than yours, and I'm guessing you NEED this to work.. Without proper engineering know-how you shouldn't try to design brakes for your car, and this is another safety critical situation..

Understood. I have no reason not to go with a traditional design. With what I thought I knew from reading around here, I didn't see why it wouldn't work. I was trying to stay cheap. I already have more $ in to the carbon than the rest of it, So i want to do it right. I tried looking for a DIY with what you are discribing and couldn't find a good one. I'll keep looking. Thanks for your help.

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My journal... http://www.rollitup.org/grow-journal...t-journal.html
My bubble head thread... http://www.rollitup.org/dwc-bubblepo...g-bubbles.html

Use the truth as a weapon.
Beat your friends with it.

This is a decent one..
http://www.marijuanagrowing.eu/anoth...yle-t8114.html

And Wolfman Zen's is a good similar design, but try to find baskets with as large of holes as possible.. Sending the air through the sides slows it down due 'through the carbon' meaning more cleansing contact.. Slower air is cleaner air but reduced airflow due to non carbon obstruction is counterproductive..