Potassium dihydrogen orthophosphate (KH2PO4)	0.1 g
Ammonium nitrate (NH4NO3)	0.1 g
Magnesium sulfate heptahydrate (MgSO4 7H2O)	0.025 g
Yeast extract	0.05 g
Distilled water to a total volume of	100 ml
A nontoxic wetting agent such as sodium dioctyl sulfosuccinate or sodium lauryl sulfate	0.005 g
Glycerol	10.0 g