Disinfection equipment for secondary water supply tank

The utility model relates to the technical field of pool disinfection, and discloses secondary water supply pool disinfection equipment which comprises a secondary water supply pool body, the rear side of the secondary water supply pool body is fixedly connected with a disinfectant box, and the top of the disinfectant box is fixedly connected with a warning horn. A liquid injection pipe is fixedly connected to the position, beside the warning horn, of the top of the disinfectant box, a fixing sleeve is fixedly connected to the top of the disinfectant box, a floating ball rod is slidably connected to the interior of the fixing sleeve, and a distance sensor is fixedly connected to the side face of the fixing sleeve. According to the secondary water supply pool, the interior of the secondary water supply pool body is flushed and disinfected through the water spraying pipe, the floating ball rod gradually sinks along with use and consumption of disinfectant, and when the minimum distance set by the distance senso