A timer system for monitoring the freshness of a beverage in a plurality of carafes, and a method of use are disclosed. The timer system comprises a plurality of matched pairs of timers and signaling members, with each timer being individually actuateable and each signaling member being drivingly controlled by its matched timer to issue a signal after the matched timer has operated for a preset period of time. A housing mountable on a beverage preparation device houses the timers. A plurality of tags are mounted to a plurality of carafes to create a plurality of matched carafes that correspond to the plurality of matched pairs of timers and signaling members. After the beverage in a matched carafe is prepared, the matched timer is activated. After the timer has operated for a preset period of time, the matched signaling member then issues a signal, permitting the monitoring of the freshness of the beverage in the matched carafe.