A dispensing system, comprising: a bottle, the bottle comprising a threaded neck defining an opening and configured to hold a liquid; a dispenser comprising a bottle receiver, the bottle receiver comprising a receiving orifice and a receiving protrusion, wherein the receiving orifice is configured to receive a spring-actuated adapter, and wherein the receiving protrusion extends upwards from a central point of the receiving orifice; and a spring-actuated adapter, comprising: an adapter orifice; a valve stem comprising a spring and a seal, wherein the spring is configured to bias the seal against the adapter orifice to move the spring-actuated adapter to a closed position; a threaded adapter configured to couple the spring-actuated adapter to the threaded neck; and a friction-fit adapter configured to couple the spring-actuated adapter to the dispenser; wherein, when the spring-actuated adapter is coupled to the dispenser, the receiving protrusion moves the spring-actuated adapter to an open position to allow the liquid to flow from the bottle through the adapter orifice and into the dispenser; wherein the spring-actuated adapter further comprises a rim defining the adapter orifice; wherein the spring is disposed around an exterior wall of the valve stem; and wherein, when the spring-actuated adapter is coupled to the dispenser, an end of the exterior wall contacts a bottom surface of the rim to protect the spring from contact with the liquid flowing through the spring-actuated adapter 1. a bottle, the bottle comprising a threaded neck defining an opening and configured to hold a liquid; a dispenser comprising a bottle receiver, the bottle receiver comprising a receiving orifice and a receiving protrusion, wherein the receiving orifice is configured to receive a spring-actuated adapter, and wherein the receiving protrusion extends upwards from a central point of the receiving orifice; and a spring-actuated adapter, comprising: an adapter orifice; a valve stem comprising a spring and a seal, wherein the spring is configured to bias the seal against the adapter orifice to move the spring-actuated adapter to a closed position; a threaded adapter configured to couple the spring-actuated adapter to the threaded neck; and a friction-fit adapter configured to couple the spring-actuated adapter to the dispenser; wherein, when the spring-actuated adapter is coupled to the dispenser, the receiving protrusion moves the spring-actuated adapter to an open position to allow the liquid to flow from the bottle through the adapter orifice and into the dispenser; wherein the spring-actuated adapter further comprises a rim defining the adapter orifice; wherein the spring is disposed around an exterior wall of the valve stem; and wherein, when the spring-actuated adapter is coupled to the dispenser, an end of the exterior wall contacts a bottom surface of the rim to protect the spring from contact with the liquid flowing through the spring-actuated adapter 1. an adapter orifice; a valve stem comprising a spring and a seal, wherein the spring is configured to bias the seal against the adapter orifice to move the spring-actuated adapter to a closed position; a threaded adapter configured to couple the spring-actuated adapter to the threaded neck; and a friction-fit adapter configured to couple the spring-actuated adapter to the dispenser; wherein, when the spring-actuated adapter is coupled to the dispenser, the receiving protrusion moves the spring-actuated adapter to an open position to allow the liquid to flow from the bottle through the adapter orifice and into the dispenser; wherein the spring-actuated adapter further comprises a rim defining the adapter orifice; wherein the spring is disposed around an exterior wall of the valve stem; and wherein, when the spring-actuated adapter is coupled to the dispenser, an end of the exterior wall contacts a bottom surface of the rim to protect the spring from contact with the liquid flowing through the spring-actuated adapter 1.