KOLOR KUT GASOLINE FINDING PASTE is a light pink paste which turns to a contrasting bright red upon contact with petrol or gasoline,naphthalene,kerosene,Crude oil,fuels,Petroleum products and various chemicals. Put a thin layer of KOLOR KUT GASOLINE FINDING PASTE on a clean measuring tape about where the product level is expected. Drop the measuring tape until you've reached the bottom. The product height is now signed by a colour difference in a few seconds. Store at temperature range of 35 F to 115 F for best preservation of product. 1 Box : 12 cans Supplied in 2.25oz Jars (12 Jars per Box)