Response device for researching growth characteristics of macroalgae to silicon with different concentrations

The invention discloses a response device for studying growth characteristics of macroalgae to different concentrations of silicon, the response device comprises a rotary support and a response assembly, the response assembly comprises a ventilation pump, a gas washing bottle and a plurality of culture bottles which are connected in sequence, and the gas washing bottle is provided with a gas inlet pipeline communicated with the ventilation pump and a gas outlet pipeline communicated with a rotary joint; the rotating support comprises a base, a rotating platform I and a fixed platform, a rotating platform II is installed at the bottom of the fixed platform through a rotating connector, the rotating platform II and the rotating platform I synchronously rotate through a connecting sleeve arranged in the center, and a stand column upwards penetrating through the connecting sleeve to be connected with the fixed platform is arranged in the center of the base. By arranging the fixed platform and the rotating platfor