To provide hydroponic devices that can set short the separation distance between plant cultivation shelves provided in the hydroponics devices and are capable of effectively increasing the amount of cultivation per floor area by achieving further multi-stages while maintaining workability.SOLUTION: The present invention provides a hydroponic device comprising a hydroponic tank which is a long tank, a tank support material, a lighting device, a lighting support material, and a vegetation plate, the hydroponic tank being disposed above the tank support material, the longitudinal direction of the hydroponic tank and the longitudinal direction of the lighting support material having a positional relationship that is substantially parallel, the longitudinal direction of the lighting device and the longitudinal direction of the lighting support material being disposed substantially orthogonally, the vegetation plate being disposed above the hydroponic tank, and the plant cultivation shelf being formed in multiple stages.SELECTED DRAWING: Figure 1【課題】水耕栽培装置が具備する各植物栽培棚の離間距離を短く設定することができ、作業性を維持したまま、更なる多段化を達成して床面積当たりの栽培量を効果的に向上可能な水耕栽培装置を提供することを目的とする。【解決手段】長尺の水槽である水耕栽培槽と、槽支持材と、照明装置と、照明支持材と、植生プレートと、を具備し、前記槽支持材の上方に前記水耕栽培槽が配設され、前記水耕栽培槽の長尺方向と、前記照明支持材の長尺方向と、が略平行になる位置関係を有し、前記照明装置の長尺方向と、前記照明支持材の長尺方向と、が略直交に配設され、前記植生プレートが前記水耕栽培槽の上方に配設されており、前記植物栽培棚が多段形成されていること、を特徴とする水耕栽培装置。【選択図】図１
