With this enamel product the modeler may easily represent streaking dirt effects on ship hulls painted in red primer. It can also be used on other issues such as the hull of a tank.
https://www.robotines.com/en/outlet/3054-brown-streaking-grime-for-red-hulls.html3054Brown Streaking Grime for Red Hulls<p>Ak-304</p>https://www.robotines.com/6278-home_default/brown-streaking-grime-for-red-hulls.jpg2.178instockAk-Interactive3.632.178401.4521368558750000/Paints and accesories/Paints and accesories/weathering/Outlet14786