Prepared media consisting of an exclusively formulated tryptic soy broth (TSB) modified with pH indicator.

GMBCP-100: For use with Geobacilllus stearothermophilus
The pH indicator causes a transition in media colour from purple to yellow when Geobacilllus stearothermophilus bacterial growth is present.
The GMBCP culture media is designed to be utilised in conjunction with biological indicators containing Geobacilllus stearothermophilus for monitoring of steam, chemical vapour, vaporised hydrogen peroxide, chlorine dioxide, and formaldehyde sterilisation and disinfection processes.

GMBTB-100: For use with Bacillus atrophaeus
The pH indicator causes a transition in media colour from green to yellow when Bacillus atrophaeus bacterial growth is present.
The GMBTB growth media is designed to be utilised in conjunction with biological indicators containing Bacillus atrophaeus to monitor EO, dry heat and vaporised hydrogen peroxide processes.