| Appearance (clearness) | 
                                clear to slightly turbid | 
                            
                                                                                                                                                    
                                | Appearance (colour) | 
                                pink/red | 
                            
                                                                                                                                                    
                                | pH-value (25 °C) | 
                                7.2 - 7.6 | 
                            
                                                                                                                                                    
                                | Growth (Escherichia coli ATCC 25922 (WDCM 00013)) | 
                                good to very good | 
                            
                                                                                                                                                    
                                | Growth (Escherichia coli 194) | 
                                good to very good | 
                            
                                                                                                                                                    
                                | Growth (Escherichia coli ATCC 11775 (WDCM 00090)) | 
                                good to very good | 
                            
                                                                                                                                                    
                                | Growth (Enterobacter cloacae ATCC 13047 (WDCM 00083)) | 
                                good to very good | 
                            
                                                                                                                                                    
                                | Growth (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)) | 
                                good to very good | 
                            
                                                                                                                                                    
                                | Growth (Salmonella typhimurium ATCC 14028 (WDCM 00031)) | 
                                good to very good | 
                            
                                                                                                                                                    
                                | Growth (Shigella flexneri ATCC 12022 (WDCM 00126)) | 
                                good to very good | 
                            
                                                                                                                                                    
                                | Growth (Proteus mirabilis ATCC 14153) | 
                                good to very good | 
                            
                                                                                                                                                    
                                | Growth (Enterococcus faecalis ATCC 11700) | 
                                none to fair | 
                            
                                                                                                                                                    
                                | Red colonies (Escherichia coli ATCC 25922 (WDCM 00013)) | 
                                + | 
                            
                                                                                                                                                    
                                | Red colonies (Escherichia coli 194) | 
                                + | 
                            
                                                                                                                                                    
                                | Red colonies (Escherichia coli ATCC 11775 (WDCM 00090)) | 
                                + | 
                            
                                                                                                                                                    
                                | Red colonies (Enterobacter cloacae ATCC 13047 (WDCM 00083)) | 
                                +(poor) | 
                            
                                                                                                                                                    
                                | Red colonies (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)) | 
                                + | 
                            
                                                                                                                                                    
                                | Red colonies (Salmonella typhimurium ATCC 14028 (WDCM 00031)) | 
                                - | 
                            
                                                                                                                                                    
                                | Red colonies (Shigella flexneri ATCC 12022 (WDCM 00126)) | 
                                - | 
                            
                                                                                                                                                    
                                | Red colonies (Proteus mirabilis ATCC 14153) | 
                                - | 
                            
                                                                                                                                                    
                                | Metallic lustre (Escherichia coli ATCC 25922 (WDCM 00013)) | 
                                + | 
                            
                                                                                                                                                    
                                | Metallic lustre (Escherichia coli 194) | 
                                + | 
                            
                                                                                                                                                    
                                | Metallic lustre (Escherichia coli ATCC 11775 (WDCM 00090)) | 
                                +(poor) | 
                            
                                                                                                                                                    
                                | Metallic lustre (Enterobacter cloacae ATCC 13047 (WDCM 00083)) | 
                                - or poor | 
                            
                                                                                                                                                    
                                | Metallic lustre (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)) | 
                                - | 
                            
                                                                                                                                                    
                                | Metallic lustre (Salmonella typhimurium ATCC 14028 (WDCM 00031)) | 
                                - | 
                            
                                                                                                                                                    
                                | Metallic lustre (Shigella flexneri ATCC 12022 (WDCM 00126)) | 
                                - | 
                            
                                                                                                                                                    
                                | Metallic lustre (Proteus mirabilis ATCC 14153) | 
                                - | 
                            
                                                                                                                                                    
                                | Incubation: 24 hrs. 35 °C | 
                                 |