Fluid Thioglycollate Medium (FTM) is used for the sterility testing of biologics1-3 and for the enrichment and cultivation of anaerobes, aerobes and microaerophiles. Fluid Thioglycollate Medium, double wrapped, and Fluid Thioglycollate Medium, ETO, are used for testing in sterile filling rooms. Fluid Thioglycollate Medium with 1% Polysorbate 80 and Fluid Thioglycollate Medium with 0.5% Polysorbate 80, Sterile Pack are used for testing oils or materials containing lecithin in sterile fill rooms.