Now that we know a bit about how the waters in both aquariums and in nature are kept clean enough for fish to live in, we can try to create our own self-sustainable setups.
Now that we know a bit about how the waters in both aquariums and in nature are kept clean enough for fish to live in, we can try to create our own self-sustainable setups. To do this, we would need to create an ecosystem. In other words, the goal of a self-sustainable aquarium is to replicate nature in our fish tanks.