The Floating Garden by Benjamin Graindorge is one innovative aquarium that minimizes the problem of water maintenance, and at the same time shows a nice symbiotic relationship between plants and fish. Designed to fit into small spaces, this ecological system allows you to recycle the aquarium water for repeated use. Gravel-based filtration allows decantation of water through a sand layer of 5 cm, thereby removing bacteria and larger impurities and turning nitrogen into nitrate. The aquaponics will allow the roots of the water-based plants to feed on the nitrates to grow. The water is then re-circulated through the aquarium, recycling the purified water into the aquarium. The Floating Garden will be available in 2010.