Hydroponic grow containers and methods for growing plants in a hydroponic grow container are disclosed. The hydroponic grow containers may include a bottom wall having a perimeter, and at least one sidewall attached to, or formed with, the perimeter of the bottom wall. The bottom wall and the at least one sidewall may define an open-topped container having an interior. The hydroponic grow containers may additionally include an upper surface within the interior and attached to, or formed with, at least one of the bottom wall or at least one sidewall, and a lower surface within the interior and adjacent to the upper surface. The hydroponic grow containers may further include a plurality of ribs connected to, or formed with, the upper surface and configured to support a root mass of one or more plants. The upper surface may be configured to facilitate liquid flow towards the lower surface.