System cycle is a process of establishing beneficial bacteria in your aquaponics system. Cycling starts when ammonia is first added to the system.
![Getting Started with Aquaponics: Cycling Your Fish Tank [Step by Step Guide]](https://i.pinimg.com/originals/1e/cf/de/1ecfde52966f1f3e6bc5ea6fa6a6e1d1.png)
