I have a picture of a DIY as well as a regular one on my website. The
diy one basically uou use a acrylic or plasatic tube, top it off with
a cap and an enterence way for the water. Fill the tube with bioballs
and then do the same with the bottem.

Marcus

http://www.Aquatic-store.com

On Fri, 15 Nov 2002 07:05:29 +0800, red406
wrote:

hi all...
looking for methods of introducing co2 thru an externally mounted
reactor. appreciate pictures and examples...
would even appreciate DIY methods.
trying to minimise clutter and stuff inside the tank...thanks