On Wed, 26 Sep 2007 18:58:46 -0700, pondwisdom
wrote:

On Sep 24, 8:53 pm, Charles wrote:
On Mon, 24 Sep 2007 20:18:34 -0700, pondwisdom

wrote:
hey
if you are interested check out this effective little bio filter i put
together. it only took me one afternoon and saved a ton of money...
http://www.softwarewiki.org/biofilter.html

Let me know if you can think of any wats to improve it.

thanks
jeff

It will be good for a few years. The barrel will rust. The lava will
need cleaned some day, I scraped the skin off my fingers cleaning the
lava out of mine. (similar design)

the barrel is actually plastic. I have heard similar statements about
problems cleaning the lava rocks though, i guess we will see when the
time comes.
jeff


Plastic is better. Is the top open or closed. Mine is open, I grew
iris in there one time, cannas another time. BAD idea. They welded
the rock together. I have water hyacinths in mine now, they work well
except when they plug up the outlet.