R2A medium was developed to determine the bacterial count including heterotrophic bacteria in potable waters during treatment and distribution. This medium has a low nutritional content and therefore requires extended incubation times. It is recommended by the Environmental Agency, Methods for the Examination of Waters and Associated Materials, and Standard Methods for the Enumeration of Water and Wastewater.
R2A Agar
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Product Description
| Organisms | Ref. No | Result |
| Aeromonas hydrophila | NCTC 8049 | Grey Colonies |
| Pseudomonas aeruginosa | NCTC 12903 | Grey Colonies |
| Pseudomonas aeruginosa | NCTC 12924 | Grey colonies |
| Bacillus subtilis | NCTC 10400 | Grey colonies |
