- Dissolve the following in 900 ml of distilled water:
q.s. to 1L with distilled water.
Adjust pH to 3.5 with 1N sulphuric acid
Autoclave to sterilize.
Add 5 g/L of sterile powdered sulphur just prior to use.
- KCl 0.10 g
- K2HPO4 0.10 g
- MgSO4 x 7 H2O 0.25 g
- (NH4)2SO4 2.0 g