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.
- Storage temperature: 2 to 8°C
- Appearance: firm gel
- Colour: opalescent
- Recommended incubation: aerobically at 30°C for 18 to 72 hours
- pH: 7.2 ± 0.2
- Plate size: 90mm
This product has met the following criteria to qualify for the following awards: