PROBLEM TO BE SOLVED: To provide a hydroponic apparatus that allows water in a tank to be easily replaced and can be provided with improved design quality.SOLUTION: According to the present invention a hydroponic culture apparatus 1 comprises: a plant-arranging member 21 with a through hole 21a formed therein for allowing a support 4 for supporting a plant P to be disposed therein； a water tank 22 for removably supporting the plant-arranging member 21 and supplying water to the root of the plant P； a support-housing part 23 to which the water tub 22 is detachably mounted； a water flow-generating device 24 attached to the bottom side of the plant-arranging member 21； a one-side electrical connector 25 disposed on the support-housing part 23； and an other-side electrical connector 26 that can be detachably mounted on the one-side electrical connector 25 and is provided for supplying driving power to the water flow-generating device 24 in a mounted state.SELECTED DRAWING: Figure 1
