
This is a how-to-video showing how easy it was to build a gravity-based aquaponic system with pvc, and two fish tanks. we have fourteen spots for plants on each system.. Aquaponics is a food production system that combines conventional aquaculture (raising aquatic animals such as snails, fish, crayfish or prawns in tanks) with hydroponics (cultivating plants in water) in a symbiotic environment.. How to build a gravity-based pvc aquaponic garden — aquaponics, is a food production system that combines conventional aquaculture (raising aquatic animals such as snails, fish, crayfish or prawns in tanks) with hydroponics (cultivating...