SARGEL BLUE
Sartomer developed 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.
This easy-to-apply paste turns from a bright orange color to deep blue when it comes in contact with water. Available in 1 oz. tube