It relates to a domestic hydroponic cultivator according to the present invention, and more particularly, a cultivator body formed in the form of a box having a cultivation space therein； An LED module unit installed on the upper frame to provide a light source for plant growth； A ventilation unit comprising the first air outlet, the second air outlet, and a blower fan to maintain air circulation in the cultivator body； A water level detector installed in the storage tank located at the corner of the front casement cover, made of a light hard material that floats well in the nutrient solution, and marked with a water level scale line to determine the nutrient solution level condition in the storage tank； An air supply unit comprising an air pump installed in the storage tank and a mixer for sufficiently mixing air injected by the air pump with the nutrient solution contained in the storage tank； A control unit for automatically controlling ON/OFF of an LED, a blower fan, and an air pump by sensing the temperature, humidity, the nutrient solution level and the amount of light in the cultivator body； It has a storage tank accommodated in the cultivator main body and disposed in the lower frame and stores nutrient solution, a germination plate disposed above the storage tank to germinate seeds, and a growth plate disposed above the germination plate to cultivate germinated sprouts. It characterized in that it comprises a； growth part. According to this, it is good for education at home, and it is effective to grow and eat vegetables such as lettuce indoors by germinating from seeds and cultivating them.본 발명에 따른 가정용 수경재배기에 관한 것으로, 보다 상세하게는 내부에 재배공간을 갖는 상자의 형태로 형성되는 재배기 본체； 상기 상부프레임에 설치되어 식물 성장을 위해서 광원을 제공하는 LED 모듈부； 상기 제1 송풍구, 제2 송풍구 및 송풍팬으로 이루어지며 상기 재배기 본체 안에 공기 순환을 유지하는 환기부； 상기 정면 여닫이커버의 모서리에 위치한 저수조 안에 설치되며, 양액에 잘 뜨는 가벼운 경질 재료로 만들어지고, 수위레벨 눈금선이 표시되어 있어 상기 저수조 중의 양액 수위 상황을 판단할 수 있도록 하는 수위 감지부； 상기 저수조에 설치되는 에어펌프와, 상기 에어펌프에 의해 주입되는 공기를 상기 저수조에 담긴 양액과 충분히 혼합해 주는 혼합기로 이루어
