Nitro line Stains and Washes are enamel based in a variety of shades to help bring out the details on a surface. It is ready to use right out of the bottle, or you can thin it for more subtle effects. These products are great for highlighting rivets, seams, and shallow details that otherwise would not show up. The Nitro line is not just a generic wash, it is available for specific effects such as black smoke, diesel exhaust, and of course shadows of various colors.
Nitro Filters - A Filter is a thin transparent layer of paint applied over a surface to alter the tone of a base coat. Filters need to be brushed onto the model using a paintbrush dampened with the effect. After dipping your paint brush into the bottle first wipe the excess filter away onto a piece of paper or dinner napkin prior to brushing it onto the model.
Nitro Rust effects - These are available as washes of various intensities and shades. You can also get it mixed as a speckling effect to produce random rust patches. It involves flicking fine amounts of paint specks onto a surface using a stiff bristled brush.