Is minimal: Yes
| Compound | Amount (mM) | 
|---|---|
| Calcium chloride anhydrous | 0.01 | 
| Citrate | 13.0 | 
| Cobaltous sulfate | 0.01 | 
| Cupric chloride | 0.01 | 
| Ferrous sulfate | 0.01 | 
| Magnesium chloride | 0.01 | 
| Magnesium sulfate | 1.0 | 
| Potassium dibasic phosphate | 43.0 | 
| Potassium dihydrogen phosphate | 27.0 | 
| Sodium ammonium phosphate | 0.47 | 
| Zinc sulfate | 0.01 |