Medium 7: HAY INFUSION AGAR

    Decomposing hay                50 g
    Distilled water              1000 ml

Autoclave at 121 °C for 30 min. Filter.

    Infusion filtrate            1000 ml
    K2HPO                           2 g 
    Agar                           15 g

Adjust pH to 6.2 before final sterilization, 
autoclave at 121°C for 20 min.