by
IDEXX Laboratories, Inc.
Coliform/E. coli Results in 24 Hours. IDEXX Colilert reagent is used around the world for the detection of coliforms and E.coli in water. Colilert, with its patented Defined Substrate Technology (DST), is used in over 90% of all US State labs. Colilert is, in fact, used more than all other methods combined (US, Canada and Japan drinking water ...