South Africa: Rescued wildlife to benefit from aquaponics system

The Centre for Rehabilitation of Wildlife (Crow) has successfully implemented and maintained their aquaponics system and will soon be offering classes to help residents set up their own aquaponics system at home.

The program will also assist in teaching students about aquaponics. Crow’s operations director, ­Clint Halkett-Siddall, said the aquaponics project began earlier this year and will also supplement the feed for the animals at the center.

“The aquaponics system is a combination of aquaculture and hydroponics, where the fish waste becomes nutrients for the crops, and the crops clean the water by absorbing and converting the nutrients. That process, in turn, provides fresh water for the fish.

“The vegetable beds do not contain any soil, but rather use a medium such as building stone that fills with the water that flows from the fish tanks. We opted for a flood and drain system, which works on a syphon system.


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