G.Stearothermophilus available with population of 105 and 106 , with different carrier material like steel, Tyvek, glass and plastic. Self-contained biological indicators Mini-Bio-Plus self contained biological indicators (SCBI) uses a plastic vial containing a spore plate and glass ampoule with a growth medium and pH-indicator inside. It is used for validation and routine monitoring of most sterilization processes without using a microbiological laboratory.
