Moontanman wrote:
I have a tank that has been set up for 6 years now with just a airstone. Of
course it has lots of plants. No filter is the way to go for a more natural
aquarium. It takes a little time and skill but anyone can do it.

What about mechanical filtration? You don't have any? What happens to all
the debris from plants, food, etc.?

--
Victor M. Martinez

http://www.che.utexas.edu/~martiv