Water changes

[Aquattro]

Originally Posted by ReefOcean

You call me lazy, but stocking a system that can't support itself would be considered what?

I don't understand your question...

The best I can guess is you'd call it a closed system. Which requires keeper intervention. Fish don't feed themselves in the tank, you add food. The tank doesn't heat itself, you add heat. The tank doesn't clean itself, that's your job...