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Colitag™ is a presence/absence and MPN enzyme substrate test that provides 16-48 hour total coliform & E. coli determinations and detects 1 MPN of total coliform or E. coli bacteria per 100mL water sample. Colitag™ is relied upon by laboratories in more than 24 countries. Aside from the Colitag™ Test Media, CPI International also offers Coliform Sample Vessels and Microbial Testing Accessories.

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