This medium is recommended for sterility testing of biologics and cultivation of aerobes, anaerobes and microaerophiles as recommended by USP/ EP/BP/IP and for determining efficiency of sanitization of containers, equipment surfaces, water miscible cosmetics etc.. The medium contains resazurin dye. Small amount of Agar and L-cystine helps in creating anaerobic conditions. It is available in 100 ml quantity in bottles.