Bristol’s solution (Br)

ml                                   Stock Solution                            Stock conc. (g/400ml H2O)

10                                   NaNO3                                       10.0

10                                   CaCl2*2H2O                                 1.0

10                                   MgSO4*7H2O                               3.0

10                                   K2HPO4                                      3.0

10                                   KH2PO4                                      7.0

10                                   NaCl                                          1.0

940                                  H2O

 

-optional ingredients: 1 drop of 1% FeCl3solution (or 1 ml of Hutner’s solution)