Hach Presence/Absence Broth Disposable Bottles

Hach Presence/Absence Broth Disposable Bottles


Hach's Presence/Absence Broth Disposable Bottles provide an easy-to-use test, ideal for screening drinking water and wastewater samples for the presence of Coliforms.


  • Easy-to-use test
  • Color change to yellow or yellow brown indicates presence of coliform bacteria
  • Ideal for screening drinking water samples for total coliforms
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P/A Broth is ideal for screening drinking water samples for total coliforms. The method is a simple modification of the multiple-tube method. It uses lactose and lauryl tryptose broths with bromcresol purple, which detects acidity formed during lactose fermentation by the bacteria.


Simply combine 100 mL of sample and P/A Broth, incubate for 24 hours and check for a color change. A yellow color indicates the presence of total coliforms.

What's Included:
  • (12) Hach Presence/Absence Broth Disposable Bottles
Image Part # Product Description Price Stock Order
Hach Presence/Absence Broth Disposable Bottles 2323212 Presence/Absence Broth Disposable Bottles, pack of 12
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Hach Presence/Absence Test 2323250 Presence/Absence test, pack of 50
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