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A Low-Cost Concrete Ring Aquaponics System
By: Preston Coursey
Currently, we have two 16 x 1 meter floating raft troughs, and one 16 x 1 meter rock bed that are connected to six 1 cubic meter fish tanks by PVC piping (elements 1 and 2 above). We also have three smaller stand-alone aquaponics units that we use as example starter units. One of our major goals is to help others understand how aquaponics works. We accomplish this by presenting aquaponics in a way that is easy to understand and replicate. Our Concrete Ring System, a rock bed system developed by Scott Breaden at his home and at the ECHO Asia Impact Center, accomplishes this goal. It has helped us cut down on building costs, simplified the system, and allowed us to use locally available materials.