Sartomer's SAR-GEL® BLUE water finding paste for quick and reliable detection of water in the bottom of tanks containing gasoline, E10 gasoline, diesel, jet fuel, fuel oil, biodiesel, light crude oil, solvents and other materials incompatible with water. SAR-GEL® BLUE is CMR-free and easy to use with a fast reaction time, even in extreme weather conditions. The paste turns orange to dark blue upon contact with water.
