Patent ID: 8839742

Claim:
An aquaponics system comprising; a tank for housing at least one aquatic animal species; a plant growing apparatus for housing one or more plant species growing in an aqueous environment; and a biofilter module for receiving a waste stream comprising solid waste and water from the tank, the biofilter module comprising; a solids removal means; a biological waste digestion unit for digesting solids from the solids removal means to produce plant nutrients, which biological waste digestion unit comprises a biological species that at least partially digests solid waste from said solids removal means to plant nutrients, and further wherein the biological digestion unit comprises a plurality of trays which are able to be rotated such that the trays are actively receiving solids from solids removal means when in a receiving position and not receiving solids from the solids removal means in a non-receiving position; and wherein each tray may be opened and closed with a control means such that the solids can be delivered to the trays when in the receiving positions whereby in use, said plant nutrients are transferred to the plant growing apparatus and at least a portion of the water is returned to the tank.