PGM-100 | Modified Growth Medium for Geobacillus stearothermophilus
Modified Growth Medium for Geobacillus stearothermophilus 100 Vials / Box
For culturing Geobacillus stearothermophilus biological indicators.
Purple-to-yellow color change indicates microbial growth.
Reduced incubation time compared to standard media.
Product Specifications
Intended Organism | Geobacillus stearothermophilus (7953 / 12980) |
|---|---|
Compatible Processes | Steam, VH₂O₂ and Steam Formaldehyde |
Incubation Temp. | 55–65°C |
Incubation Time | 24 hours (Steam / VH₂O₂); 7 days (Formaldehyde) |
Media Base | Modified TSB with pH indicator |
Color Transition | Purple → Yellow (positive growth) |
Tube Dimensions | 16.7 × 62.8 mm |
Fill Volume | 5.0 ± 0.5 mL per vial |
Selling Unit | 100 vials / box |
Facility Type | Laboratory / Industrial |
📄 Download Technical Data Sheet (PDF)


