BD BBL and BD Difco Gram Stain Kit Components BD Diagnostics Gram Basic Fuchsin Counterstain. The BD/Difco Gram Stain Kit Components 212544 is made with a mixture of pararosanilin rosanin and magenta II. This counterstain from BD is more commonly used in Gram staining preps than any other counterstain. It is used in qualitative procedures in which the sensitivity of an antimicrobial agent must be determined by the susceptibility of the sample to the agent. The BD/Difco Gram Stain Kit Components are used in qualitative procedures such as the Gram stain kit procedure. Specifications for BD BBL and BD Difco Gram Stain Kit Components BD Diagnostics 212544 Gram Basic Fuchsin (Counterstain): Description: Gram Basic Fuchsin (Counterstain) Size: 250 mL BD No.: 212544 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine BD Medical products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Laboratory Media with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for BD Laboratory Media. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the BD BBL and BD Difco Gram Stain Kit Components BD Diagnostics Gram Basic Fuchsin (Counterstain) 212544/ 90000-714 we carry a full complement of Laboratory Media as well as other product offerings from BD Medical. We also carry a full line of BD accessories to help meet your laboratory and scientific needs. For a complete selection of BD Laboratory Media please visit our BD Medical page. For more brand name Laboratory Media please visit our Laboratory Media store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. BD BBL and BD Difco Gram Stain Kit Components BD Diagnostics 212544 Gram Basic Fuchsin (Counterstain)