Oil Tank Water detector paste. Detects harmful water in Diesel, Petrol, Bio-Diesel & Fuel Oil Tanks Water Finding Paste. Changes Colour when water is found in your fuel tank Kolor Kut Water Finding Paste, otherwise known as Water Gauging Paste, is used to test for the presence of water in the bottom of oil, diesel, petrol, gasoline, fuel oil, and kerosene tanks.
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