Nick Fox is a pioneer in the field of aquaponics, which combines hydroponics and aquaculture to grow tilapia and crops.
Fox explained that instead of dirt, the plants’ roots float in water, absorbing nutrients that pass through a looped system that begins with a 900-gallon open-air container filled with tilapia, a species of freshwater fish grown for food.
Except for fish food and light, an aquaponic system is a closed loop. It uses up to 97 percent less water than a traditional garden because once water enters the system, it is continuously recycled.
Read more at Capital Press.