| Appearance (clearness) | clear |
| Appearance (colour) | violet |
| pH-value (25 °C) | 6.6 - 7.0 |
| Growth (Escherichia coli ATCC 25922 (WDCM 00013)) | good to very good |
| Growth (Escherichia coli ATCC 11775 (WDCM 00090)) | good to very good |
| Growth (Enterococcus faecalis ATCC 29212 (WDCM 00087)) | fair |
| Growth (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025)) | fair to good |
| Colour change to yellow (Escherichia coli ATCC 25922 (WDCM 00013)) | + |
| Colour change to yellow (Escherichia coli ATCC 11775 (WDCM 00090)) | + |
| Colour change to yellow (Enterococcus faecalis ATCC 29212 (WDCM 00087)) | none to poor |
| Colour change to yellow (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025)) | - |
| Gas (Escherichia coli ATCC 25922 (WDCM 00013)) | + |
| Gas (Escherichia coli ATCC 11775 (WDCM 00090)) | + |
| Gas (Enterococcus faecalis ATCC 29212 (WDCM 00087)) | - |
| Gas (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025)) | - |
| Incubation: 24-48 hrs; 35 °C; aerobic. |
