Vermiponics roundup: The beauty of worms in hydroponic gardens (Video) (POSM Note: because of the high use of water in hydroponics versus Aquaponics, hydroponics is obsolete from a sustainability stand point. Aquaponics makes use of Vermiponics).
you could add some fish to your water reclamation tank for a small aquaponics system. Grow a few plants to feed the fish and this forms a closed system. There is no need to fertilize, the fish do it for you! Permaculture at its finest!