Here's the 2nd Ebb and Flow Video showing use, lighting changes and details, and some additional "cycling" and nutrient tips.
Considering the previous eight "why Ebb and Flow", it is a tough system to beat both economically and for efficiency. It was by far the most fun to build!
The Ebb and Flow system provides a "blast" of
oxygenated nutrients to the roots for short periods allowing the media
to hold and maintain moisture during the ebb cycles. This gives the
roots a larger quantity of fresh air expose and stimulates the plants
natural reaction of expanding the root base.
The Ebb and Flow system allows flexibility in
nutrient temperature because of the separate reservoir. By having the
ability to shade, mechanically cool (chiller), or even partially bury a nutrient reservoir, efficient
temperatures can be maintained in the heat of the summer or the dead of
winter. This keeps the roots from excesses and stress.