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Bacteriological Testing for Microbiological Potability by Colilert SM 9223B and HPC Test Method SM 9215B

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Clarkson Price: $50.00
Clarkson Catalog Number: Bacti+HPC
Manufacturer: Clarkson Laboratory

Quantity Discounts

2 to 3$35.00
4 to 9$30.00
10 to 49$25.00
50 or more$15.00

 Clarkson Service Code: Bacti + HPC 
Coliform/E. coli (Present/Absent) Results in 24 Hours EPA/ELAP approved method SM 9223B
Heterotrophic Plate Count (HPC) Results in 48 Hours EPA/ELAP approved method SM 9215B
  • US EPA-approved,  test for drinking and source waters.
  • International approvals include US EPA, APHA Standard Methods for Examination of Water & Waste Water  AOAC, IBWA, and EBWA.
  • Millions of tests are run worldwide every year.
Presence / Absence (P/A)

Step 1.
Add reagent to sample and incubate 24 hours.

Step 2.
Read results:

  • Yellow / fluorescent blue under black light = E. coli coliforms present (sample on the left)
  • Colorless  = negative, total coliforms absent (sample in the middle)
  • Yellow       = positive, total coliforms present (sample on the right)
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Learn how to run the Colilert test on the link below by watching the first 2 minutes of the Idexx  video.

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