Kolor Kut Water Finding Paste offers a simple way to check for the presence of water in fuel tanks.
It can be used with petroleum fluids such as gasoline, kerosene, diesel, or heavy fuel. Place a small amount of Water Finding Paste on the side of a “stick” and insert it into the tank.
The color of the paste changes instantly upon contact with water, showing a measured depth of the water in the tank bottom.
3-oz. (85g) tube