Steinberg's Solution (1×)
3.4 g/L NaCl
0.05 g/L KCl
0.08 g/L Ca(NO3)2·4H2O
0.1025 g/L MgSO4
0.56 g/L Tris-HCl (pH 7.4)
10 mg/L phenol red
For convenience, prepare a 10× stock solution. Store the 10× stock solution for no longer than a few months at room temperature.
