Another image of Jesus appeared in the roots of an asparagus fern. The owner discovered them when he was removing the fern because he thought it was dying. He shouldn't have worried; it just would have come back three days later.
And it generates a higher harvest in the foods involved.
So using this kind of system, the water could be recycled
over and over. Bacteria such as nitrobacter can handle breaking down the ammonia that's being continually made by the fish.