A hydroponic culture apparatus (100) is equipped with a culture vessel (106) which constitutes a flow path through which a nutrient solution (50) can flow, a nutrient solution vessel (108) in which the nutrient solution (50) is to be stored, a supply flow path (109) through which the nutrient solution (50) is guided from the nutrient solution vessel (108) to the culture vessel (106), a discharge flow path (110) through which the nutrient solution (50) is guided from the culture vessel (106) to the nutrient solution vessel (108), a pump (107) which can circulate the nutrient solution (50) between the nutrient solution vessel (108) and the culture vessel (106) through the supply flow path (109) and the discharge flow path (110), and a discharge filter (202) which is arranged inside of the culture vessel (106) and through which a specific foreign matter is removed from the nutrient solution (50) that flows from the culture vessel (106) into the discharge flow path (110), wherein the discharge filter (202) has a function to prevent the rise of the liquid level of the nutrient solution (50) in the culture vessel (106) to a position above a position having a predetermined height when the discharge filter (202) is clogged.La présente invention concerne un appareil de culture hydroponique (100) comportant un récipient de culture (106) qui constitue un trajet d'écoulement à travers lequel une solution nutritive (50) peut s'écouler, un récipient de solution nutritive (108) dans lequel la solution nutritive (50) doit être stockée, un trajet d'écoulement d'alimentation (109) à travers lequel la solution nutritive (50) est guidée depuis le récipient de solution nutritive (108) vers le récipient de culture (106), un trajet d'écoulement d'évacuation (110) à travers lequel la solution nutritive (50) est guidée depuis le récipient de culture (106) vers le récipient de solution nutritive (108), une pompe (107) qui peut faire circuler la solution nutritive (50) entre le récipient de s
