Components

Per 1000 ml distilled water liter^–1

Ammonium dihydrogen phosphate (NH₄H₂PO₄)

1.0 g

Potassium chloride (KCl)

0.2 g

Magnesium sulphate (MgSO₄·7H₂O)

0.2 g

Peptone

1.0 g

Bromothymol blue

0.03 g

Agar

Water

3.0 g

1.0 L