Building an Aquaponic Grow Bed Flood and Drain.

Aquaponic grow beds come in all shapes and sizes. They also work on a range of concepts. Concepts. 1. Flood and drain. F&D beds are filled to a point that activates the Bell syphon. Once the bell syphon is activated, all of the water is sucked out of the grow bed. Once the water level reaches the bo...
By: sbayley2

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