Kolor Kut Water Finding Paste is golden brown in color. Turns bright red upon contact with water. It will safely gauge water content in all petroleum and hydrocarbons as well as sulfuric and nitric acid, ammonia, soap solutions, salt and other chloride solutions. 3 oz. tube. Kolor Kut Gasoline Gauging Paste is light pink in color. Turns bright red upon contact with gasoline, diesel, naptha, kerosene, gas, oil, crude oil, jet fuels and other hydrocarbons. 2.25 oz. jar. Kolor Kut Water Finding and Gasoline Gauging Pastes kokutwafiand$3.90, 12/$42.00Product: KK01 - Kolor Kut Water Finding Paste - 3 oz. TubeKK02 - Kolor Kut Gasoline Gauging Paste - 2.25 oz. Jar Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.