A liquid dispensing apparatus and system for controlling the delivery of liquid additives is disclosed. In one aspect, liquid additives are delivered to a beverage preparation system through a multiple inlet pump for preparing a finished beverage. In another aspect, additives from liquid additive containers are delivered to a beverage preparation system through a multiple inlet and pumping section pump for preparing a finished beverage. Other additives are communicated through the beverage dispensing system for maintaining and cleaning the system and the multiple inlet pump for ensuring the hygienical integrity of the system throughout its use.