E. coli

 

MC-Media Pad Aerobic Count Coloring sample: E. coli
Interpretation Aerobic bacteria form red colonies, these all colonies are aerobic bacteria. It is not possible to distinguish between gram-negative and gram-positive bacteria.

Bacillus

 

MC-Media Pad Aeroboc Count Coloring sample: Bacillus
Interpretation Highly motility microorganisms such as Bacillus may form spreading red colonies. The spreading colony should be counted as one colony.