Water soluble stains are sun-fast, true to color and non-bleeding. Birchwood Walnut Wood Stain produces a clear, rich color without grain clouding or smearing. It highlights the grain and enhances the natural beauty of wood. Birchwood Walnut Wood Stain is a true, brown-walnut color for the traditional look. Color intensity is easily controlled by adding water to concentrate or using full strength for light colored woods such as birch.