Presence-Absence Media

Hach offers a variety of PA media to meet your testing needs. The modified Colitag method is the fastest P/A test on the market. PathoScreen products quickly screen for waterborne pathogens associated with fecal contamination. P/A products with MUG, compatible with paddle testers and BART products, are also available.


Part Number
Product description
2401650 Presence Absence Test with MUG, pk/50
2401612 E.coli and total coliforms (P/A) test, pk/12
2401612-120 E.coli and total coliforms (P/A) test, 10x pk/12
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