Microbiology is an independent discipline within the scope of clinical diagnosis and industrial quality control. In order to make microorganisms suitable for microscopic analysis, they have to be stained with suitable dyes. Gram-staining and the detection of mycobacteria are of particular importance. Merck Millipore offers a broad selection of manual and automated staining methods for ready-to-use or self-prepared staining solutions based on classical and modified protocols. With products from Merck Millipore, staining results are specific, sensitive and achieved quickly. Additionally, our bacteriological products have a long shelf life, are very economical in use and easy to handle, thus saving time and effort.