AquaSprouts is an aquarium that converts a simple fish tank into a complex and self-sustaining ecosystem. The aquarium uses aquaponics, a system whereby waste material of aquatic animals is used to fertilize plants.
The AquaSprouts aquarium has a pump that sucks fish feces out of the aquarium. Bacteria then convert the fish poop into fertilizer, which lands in the AquaSprouts grow bed and nourishes the plants that grow there.
This means that plants grown on the grow bed -- which can include lettuce, garlic, spinach, peppers and more -- don't need to be fertilized.
Moreover, the fish tank itself never needs to be cleaned thanks to the poop pump.
If you want to be even more hands-off, you can attach an automatic fish-feeder to the aquarium -- that way you won't have to worry about feeding the fish, cleaning the tank or fertilizing the plants.