Systems, apparatuses, and methods are provided herein for monitoring beverage dispenser. A system for controlling beverage quality comprises a beverage dispenser monitoring unit comprising: a plurality of weight sensors each positioned below one of a plurality of syrup containers connected to a beverage dispenser, and a first network adapter configured to communicate with a control unit. The control unit configured to detect a low weight reading from a weight sensor of the plurality of weight sensors of the beverage dispenser monitoring unit via the second network adapter, determine a syrup container of the plurality of syrup containers associated with the weight sensor, and provide a notification of low syrup level indicating the syrup container to at least one of the plurality of user interface devices.