Use as a negative control standard for all your coliform analyses: E.coli, Total Coliform and Fecal Coliform. Certified by IDEXX-Quantitray.

Sample preparation is an easy 15 minute procedure. Just hydrate a sample in 100mL of supplied sterile hydration fluid at room temperature. Mix and analyze. For qualitative analyses, hydrated sample may be used for up to 12 hours when stored refrigerated.

Samples formulated at 1000-2000 CFU per pellet

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