CPI was established in 1986 in response to demand from the emerging environmental testing industry for innovative products.
The 1st Definitive Water Test System For Coliforms & E. coli. And it's the only U.S. patented system that definitively tests for both MUG-positive and MUG-negative E. coli.
Colitag™ does all this using a simple, ready-to-use medium that you combine with a water sample for results you can count on with complete certainty.
 

www.colitag.com