Media for the test may be prepared as described below or equivalent commercial media may be used provided that theycomply with the requirements of the Growth Promotion Test of Aerobes, Anaerobes, and Fungi.The following culture media have been found to be suitable for the test for sterility. Fluid Thioglycollate Medium is primarilyintended for the culture of anaerobic bacteria. However, it will also detect aerobic bacteria. Soybean–Casein Digest Medium issuitable for the culture of both fungi and aerobic bacteria.