Ideal for sample sizes of 1-5 mL of river water or other samples with many coliforms or E. coli expected. The sample is collected with a sterile bottle, added directly into a bottle of Coliscan® Easygel®, and poured into a pretreated Petri dish. Under warm conditions (32-37°C) results can be ready in 24 hours. 10 tests.
Grades 7 and up