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Test Media


Test Media

CPI International carries the revolutionary Colitag™ test media for E. coli and coliform detection. 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 across the USA and in more than 2 dozen countries. Contact us to learn more!

For inquiries and assistance, you can reach us at 1 800-878-7654 (Customer Service Line), 707-525-5788 (California) or email sales@cpiinternational.com.


Lower Your
Cost Per Test
Curated for Frugal Managers in Environmental Labs

Lowest Price Available
for Colitag™ Test Kits

Late Order
Cutoff Time
103.00 103.0 USD
431.00 431.0 USD
Colitag Comparator, P/A, ea.
Item number 4600-0040
38.00 38.0 USD