Use m-ColiBlue24 Broth to accurately monitor and evaluate total coliform and E. coli in drinking water; wastewater; bottled water; beverages; surface, ground, and well water; and ultrapure, chemical processing and pharmaceutical processing waters.In 24 hours, Hach's m-ColiBlue24 Broth give you simultaneous results for total coliforms and E. coli. With ready-to-use m-ColiBlue24 Broth, you can enumerate total coliforms and E. coli on one petri dish. Differentiate colonies easily - red and blue indicate total coliforms and blue specifies E. coli. Minimize background growth of non-coliform bacteria.MCB24 Economy Kits include: 200 PALL Metricel GN-6 Membranes (0.45 µm; sterile; indiv. packed), 200 PALL 50 mm petri dishes w/nutrient pad, 4x100 mL Glass Bottles (200 test).