The utility model relates to a water level adjusting device for a hydroponic planting container,In particular, the frame body is provided with a plurality of planting containers,The planting container is a rectangular basin,The upper part of one side of the planting container is provided with a water inlet hole,The lower part of the other side of the planting container is provided with a water outlet,The outer part of the water outlet is provided with a water outlet pipe,The water outlet pipe is connected with the water inlet hole of the planting container,A water level adjusting pipe is arranged inside the water inlet hole and the water outlet hole,The water level regulating pipe is provided with a horizontal part and a vertical part, which is L-shaped,The horizontal part of the water level regulating pipe is sleeve connected with the water inlet hole and the water outlet hole,The vertical part can be used to adjust the angle from the horizontal zero degree to the vertical 90 degree,It is used to adjust the low or high water level of the planting container,It is characterized by.一種水耕植栽容器之水位調整裝置，尤特指架體設有複數列植栽容器，該植栽容器為一長方形盆體，該植栽容器一側的上方處設有一進水孔，該植栽容器另一側的下方處設有一出水孔，該出水孔的外部處設有一出水管，由該出水管連接下方該植栽容器的該進水孔，該進水孔與該出水孔的內部處設有一水位調整管，該水位調整管設有一水平部與一垂直部而呈L型，該水位調整管的水平部係套接於該進水孔與該出水孔處，該垂直部可供調轉角度由水平的零度至垂直的九十度，作為調整該植栽容器的低水位或高水位之用，為其特徵者。
