An improved ventup apparatus for facilitating the mixture of fluid substances The apparatus preferably comprises a first funnel section operative to receive a fluid and channel the same through a first cylindrical section or passageway The first cylindrical section is fluidly connected to an intermediate passageway having a diameter larger than the first cylindrical section At least one sidearm passageway is fluidly connected to the Intermediate passageway into which at least one second fluid is Introduced The at least one sidearm passageway is preferably configured to fluidly interconnect with the intermediate passageway at approximately the medial portion of to the intermediate passageway Fluidly connected to the intermediate passageway is a second cylindrical section that is operative to direct the flow of the intermixed fluids to a second exit funnel section
