This document provides information about Murashige and Skoog (MS) plant tissue culture media products offered by PhytoTechnology Laboratories. It describes the company's large selection of MS-based media, manufactured according to cGMP procedures. The media are tested for quality specifications and plant compatibility. Key features include standardized components, large batch sizes, custom packaging and formulations, and a media reservation program. A table lists various MS-based media products with their compositions.