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!
Green Wall Style Aquaponics Source Ikea Shelf Aquaponics Source Classic IBC Tote Aquaponics Source Here& a short DIY article on building your own IBC Tote aquaponics like this. Classic Wooden Aquaponics with NFT Source Converted Gutters Source
Ryan Coghlan is raising funds for The Goldfish Garden: Self-Cleaning Aquaponic Aquarium on Kickstarter! The Goldfish Garden is a self-cleaning aquaponic aquarium that uses edible plants or flowers to filter the water!