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Aquaponics is a food production system that allows fish and plants to grow symbiotically, ie. in a way that promotes mutual growth. In this system, fish waste is no longer waste; instead they provide nutrient-rich water to fertilise the plants. As the ‘healthy’ waste water enters the plants section of the system, the latter acts a filter, and re-circulates clean water back to the fish tank.
A vertical aquaponic system can grow leafy greens, herbs and raise fish all at the same time. With a vegetables section on top and a fish tank below, the clever design doesn’t take up much space, and is practical even for the small homes of Hong Kong.
Source: Ah To
