PROBLEM TO BE SOLVED: To suppress propagation of algae in a culture solution.SOLUTION: A hydroponic culture container 1 includes a culture solution tank 2 made of a synthetic resin and having light-shielding properties in which the light intensity of a first transmitted light transmitting the culture solution tank 2 and entering into inside thereof is below a light compensation point of algae possible to be propagated in the culture solution N.COPYRIGHT: (C)2014,JPO&INPIT【課題】培養液中に藻類が繁殖することを抑制する。【解決手段】本発明に係る水耕栽培器1が備える培養液タンク2は合成樹脂からなり、且つ、当該培養液タンク2を透過して内部に入射した第1透過光の光強度が、培養液N中に繁殖する可能性のある藻類の光補償点以下となる遮光性を有する。【選択図】図1
