Mix aseptically 5 parts double strength Castenholz Salts (see below) with one part 1% TYE (see below) and 4 parts distilled water.
Final pH of complete medium should be 7.6.
Castenholz Salts, 2X:
Nitrilotriacetic acid....................0.2 g
Nitsch's Trace Elements (see below)......2.0 ml
FeCl3 solution (0.03%) ...................2.0 ml
CaSO4 . 2H2O .............................0.12 g
MgSO . H O ..............................0.2 g
4 2 NaCl.....................................0.016 g
KNO3 .....................................0.21 g
NaNO ....................................1.4 g
3 Na2HPO4 ..................................0.22 g
Agar (if needed)........................30.0 g
Distilled water..........................1.0 L
Adjust pH to 8.2.
Nitsch's Trace Elements:
H2SO4 ..............................0.5 ml
MnSO4 ..............................2.2 g
ZnSO4 . 7H2O........................0.5 g
H3BO3 ..............................0.5 g
CuSO . 5H O .......................0.016 g
4 2 Na2MoO4 . 2H2O......................0.025 g
CoCl2 . 6H2O .......................0.046 g
Distilled water....................1.0 L
1% TYE:
Tryptone (BD 211705)..............10.0 g
Yeast extract.....................10.0 g
Distilled water....................1.0 L