Coliform Presence/Absence Test Vial Fast, accurate, and field-friendly solution to detect fecal contamination in drinking water.
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The Coliform Presence/Absence Test Vial is designed for simplicity and reliability. Just collect the water sample, incubate, and observe the color change. Within 24–48 hours, you’ll know if the water is safe to drink.

Order your Coliform P/A Test Vials and take control of water safety for your home, school, or community.