Quickly and accurately detects water in fuel storage tanks

Mustard yellow paste will turn red upon contact with water

Driver-friendly flip cap

For all petroleum fuels

Works in seconds & extreme temperatures

Fast way to detect water in fuel storage tanks

Paste will turn yellow-green upon contact with water

Paste will turn blue upon contact with gasoline

Indicates level of gasoline, naphtha, kerosene, crude and refined oils, jet fuels and a range of other commonly stored liquids