Water treatment agent dissolving device

The utility model relates to the technical field of water treatment agents, and discloses a water treatment agent dissolving device which comprises a fixing base, an air blower and a motor, the fixing base is in a U shape, connecting shafts are fixedly installed at the top ends of the left side wall face and the right side wall face in the fixing base, and a storage ball in a hollow ball shape is arranged in the fixing base. A fixing rod is fixedly installed at the position, close to the top end, of the inner side wall of the fixing base, the air blower is fixedly installed on the top wall face of the fixing rod, and a connecting pipe penetrating through the bottom wall face of the fixing rod and extending to the inner center of the storage ball is fixedly installed at the output end of the air blower. According to the aeration device disclosed by the utility model, a plurality of aeration pipelines communicated with the inside of the aeration ball are arranged on the side wall of the aeration ball, so that a