Figure 1

Media form. The form contains unique name and id of the medium, preparation and storage information (A). The graphic entry field 'Code' contains color codes for plates. A medium can be composed from many compounds that can be selected from the list of existing media. Basic compounds purchased from external suppliers do not contain any further compounds. The 'Show media' button of each compound displays the composition of the selected compound (B). The 'print label' function prints labels on a label printer, the function 'Print file card' prints a report on a standard (A4) printer. The background color of the entry fields indicates the status of the medium (white = new, blue = approved, grey = obsolete).