Tour this DIY aquaponics system made from plywood and no pond liner

For many people, gardening is one way to become more self-sufficient and gain some food security. Many experiment with alternatives like home hydroponic or aquaponic systems, which can increase yield, add extras like fish -- all without the need for soil. We've covered various systems that are commercially available, but it is possible to build one yourself, using off-the-shelf parts, and it's always interesting to see how other people set up their systems.