Rapid Wathin Starry Stain kit is used to detect Cat Scratch, Legionella, illustrates an exception development for Helicobacter. The result is black to brown development against a light yellow background. Not recommended for Spirochetes. Includes: 1- 8 oz. Bottle Stabilizer Silver Nitrate solution, 1- 8 oz. Bottle Gelatin solution, 1- 8 oz. Bottle Hydroquinone solution, 3- 2 oz. Staining containers and storage tray.