Self-made nutrient solution brewing and adding system

The invention discloses a self-made nutrient solution brewing and adding system which comprises a cabinet body, wherein a first liquid inlet cylinder, a second liquid inlet cylinder and a third liquid inlet cylinder are fixedly installed at the top of the cabinet body, the bottom of the first liquid inlet cylinder, the bottom of the second liquid inlet cylinder and the bottom of the third liquid inlet cylinder are fixedly connected with a first liquid adding pipe, a second liquid adding pipe and a third liquid adding pipe respectively, solenoid valves are fixedly installed on the first liquid adding pipe, the second liquid adding pipe and the third liquid adding pipe, the bottom of the first liquid adding pipe and the bottom of the second liquid adding pipe are fixedly connected with a first mother liquor mixing cavity and a second mother liquor mixing cavity respectively, the bottom of the third liquid adding pipe is fixedly connected with an acid liquid storage cavity, the bottom of the first mother liquor