Abstract: A smoking device for aspirating gas-containing mixtures is described which comprises a mouthpiece with at least one suction duct connected to an intermediate chamber, a pressure vessel filled with a mixture disposed next to the intermediate chamber and including an outlet valve that is closed in normal position and ends into the intermediate chamber and has to be opened to put the device into operation, and further comprising an inlet for atmospheric air into the intermediate chamber which is provided with a shut-off valve coupled to the outlet valve, wherein the shut-off valve is open in the normal position and can be brought into closing position when the outlet valve normally urged into closing position is opened, and that the intermediate chamber contains a storage substance for storing the gas-containing mixture.