They support plenty of life, just not a lot of variety. I was pointing out that if u have a stable ecosystem in ur tank the u may never need to do a water change. That means breeding pops of feeders, producers (plants/plankton/stuff like that) as well as predators to keep there pops down. Just tying to think outside the box.
Now im on the sidelines so plz dont make me talk again lol."You have your way. I have my way. As for the right way, the correct way, and the only way, it does not exist." - Friedrich Nietzsche
What you speak of would be impossible in an aquarium.
Just sayin.
Also, the Nietzsche quote doesnt really apply here. There is indeed a correct scientifically proven way in this situation.