Aquaponics merges two systems with fantastic results for the majority of plants. All you need to do is create the right habitat for your chosen fish and then a separate plant area. The two are connected via a pump allowing the water to circulate.

Watercress is an excellent choice for your aquaponic system. It is relatively easy to grow and will provide a great introduction to the world of aquaponics.

Simply follow this guide and know how to grow watercress in aquaponics in no time; perhaps selling it for a small profit.