Sample Bag

Oct. 21, 2013
When testing water using color changing reagents, save money with the Whirl-Pak Coli-Test sample bag. It is made of a special film that is compatible with enzyme-based methods that result in a chromogen and/or fluorogen release when total coliform and E. coli are present, and is listed in the 2005 EPA Drinking Water Manual for Laboratory Certification.

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