Hydroponic growing system and method

Abstract From the Canadian patent

An improved hydroponic growing system comprises in, combination, an elongated preferably rectangular hollow trough having substantially closed sidewalls and bottom and an open top defining a central space. The trough defines a pair of spaced tracks extending the length thereof in the space and an elongated flexible strip is slideably disposed in the tracks. The strip contains a plurality of spaced apertures extending vertically therethrough along the length thereof and in each aperture is disposed a plant growing cup having a hollow body defining a central space, an open top a porous, bottom and substantially closed or perforated sidewalls. The sidewalls bear outwardly extending peripheral …