An apparatus (102) includes a pump body (124), two or more arms (120,122) extending from the pump body (124) configured to hold a cement mixing container (104), a vacuum port (230) exposed on an exterior surface of the pump body (124) and positioned to engage a port on the cement mixing container (104), a venturi (324) positioned proximate the vacuum port (230)； a perforator (320) within the pump body (124), the perforator (320) configured to puncture a gas container (314) to release gas to the venturi (324) to create a vacuum at the vacuum port (230)； and an actuator (126) configured to puncture the gas container (314) with the perforator (320).
