GEL101 electrode paste is specially formulated with 0.5% saline in a neutral base. Unlike agar or saline pastes, this paste has a virtually unlimited shelf life. It is supplied in a 114 g (~4 oz) bottle with a convenient flip-top, reclosable cap.
GEL101 electrode paste meets all of the recommended specifications for skin conductance recording.
The "Unibase" material called out by Lykkenand Venables in Psychophysiology, 1971, pp. 665 - 666 no longer exists.