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EZ-CFU™ One Step

EZ-CFU™ One Step

Is your lab still preparing microorganism suspensions the old fashioned way for Growth Promotion Testing of culture media? Allow us to introduce you to your new favorite lab supply, EZ-CFU One Step. We designed this product specifically for Growth Promotion Testing, Suitability of Tests for Specified Microorganisms, Suitability of Counting Methods and more.


These ready-to-use quantitative microorganisms are just 3 passages from the reference culture and deliver 10-100 CFU per inoculum, as required by the Pharmacopeias, with minimal prep time.


  • Delivers 10-100 CFU per 0.1 ml as required by USP/Ph. Eur./JP
  • No dilutions required for simplified test procedure
  • Up to 8 hours stability allows for ultimate flexibility
  • 19 tests per set-up, 190 tests per kit
  • Strains are less than or equal to three passages from reference culture – meets USP/Ph. Eur./JP requirements
  • Refrigerated storage is easy and economical >
  • Online Certificate of Analysis provides detailed strain information
  • Traceability to reference cultures ensures authenticity
  • Technical Support experts available for guidance
  • Backed by a full product warranty

Applications and Test Methods

  • Growth Promotion Testing
  • Media Challenge Testing
  • Suitability of Counting Methods
  • Suitability of Sterility Tests
  • Suitability of Tests for Specified Microorganisms
  • Microbial Limits Testing
  • Microbial Enumeration Testing
  • Validation of Neutralization Methods
  • Methods requiring a low CFU concentration

This product is not intended to diagnose, treat, cure or prevent any disease.

Package Details

  • 20 quantitated lyophilized microorganism pellets
  • 10 vials of hydrating fluid (2 ml in each vial)
  • Illustrated Instruction for Use.