The present invention comprises a device for providing a conductive fluid to a wet electrode, the device comprises at least one container (1) for storing a conductive fluid (2), said container comprises at least one controllable outlet (3), wherein the conductive fluid (2) is retainable in the container at an above ambient pressure, and the device is adapted to be integrated in a system for measuring a bio-potential on, and/or providing electric stimulation to, a skin surface of a subject.
