SterilAmp II “5230″ is a compact, self-contained ampoule biological indicator for monitoring industrial low temperature (110 – 118°C) steam sterilization of liquids in small containers. SterilAmp II “5230″ contains a specially formulated culture medium that turns a dramatic yellow when spores grow, providing easy visual confirmation of sterilization within 72 hours, without the need for difficult and time-consuming laboratory work.