Convenient Microbiological Water Test Kit

EWB & CBTThe CBT Kit is ideal for water quality testing in any low resource, rural or disaster/emergency area. Its simplicity and convenience remove barriers to on-site water quality monitoring:

  • Portable – Compact and lightweight
  • Simple – Anyone can use with little training
  • Convenient – Works at variable temperatures, constant temperature control not required. Ambient temperature incubation at 25° Celsius and above.
  • Flexible – No electricity, laboratories, expensive incubators, cold chain, extra equipment or specialized technicians required
  • Informative – Quantitative, color-change test results. Most Probable Number (MPN) of E. coli in 100 mL sample.


Make Informed Decisions About the Health Risk of Water

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  • Quantified test results (MPN)
  • Meets World Health Organization (WHO) recommendations for water quality testing –
    E. coli in 100 mL sample
  • Health risk categories in our MPN Table match WHO Guidelines for Drinking Water Quality
  • Easy-to-score, color-change test results are an educational tool that enables individuals and communities to gain better awareness about water quality and adopt better behaviors for sanitation and hygiene


Simplify Water Quality Monitoring

Water sources must be regularly monitored for water quality to ensure water remains safe to drink over time. The CBT lets anyone do this no matter where they are.

Cost Effective and Value Laden

  • Eliminates need for laboratories
  • Eliminates need for complex testing methods
  • Eliminates costs for electricity, cold chain, sample transportation, labs, specialized technicians
  • Removes requirements for supporting equipment or materials that are difficult to use in-the-field
  • Removes need to clean and sterilize reusable testing components
  • Reduces test waste for decontamination and disposal

Validated Around the World

The CBT is used in numerous countries around the world in a wide range of low resource conditions. Tested extensively by independent  parties against other standard testing methods, the CBT gives results on par with more complicated, expensive and less portable tests.

Our customers affirm the advantages and benefits of using CBT Kits in-the-field.

Comparative Studies, Papers and Performance Data»