The kolor kut modified water finding paste has been designed for use in fuels in all proportions when they are water-free but relatively small amounts of water can cause seperation of alcohol from the fuel. The mixture settling to the bottom of the storage tank contains a hight concentration of alcohol and cannot be detected by most water detection pastes. The kolor kut modified water finding paste changes from dark brown in color to bright red on contact with water. Phase seperated alcohol solutions with as little as 6% water will turn the paste yellow. This product is designed for use in reformulated and oxygenated fuel system. After testing, it seems that alcohol or deicing agents in fuels have very little effect on the performance of the product.Tube 2.5 oz