diy phosban or carbon

[Binare]

They pop up on here all the time used for 20 bucks or so. If its just a matter of saving some money, I'd just buy used.

[leducreef]

na i just like to build things its not the money

here a a few links to some neat ones that i found

http://www.nano-reef.com/forums/inde...pic=77999&st=0

http://www.diyreef.org/tiki-read_art...hp?articleId=8

[mark]

could also use a filter housing

[leducreef]

yep that would work
i am thinking about building one out of a nalgen bottle