Back to the Roots Water Garden 2Back to the Roots Water Garden 2 is a self cleaning fish tank that grows organic sprouts and herbs. In this low maintenance, mini aquaponics ecosystem, the fish feed the plants and plants clean the water no water changes required! Perfect as a hands on family or classroom project, or a unique gift for the pet or gardening enthusiast in your life. Beautifully redesigned 3 gallon fish tank features: Elegant curved edges Double the growing space Custom