[
    {
        "medium_id": 271,
        "compound": "FeSO4 x 7 H2O",
        "g_l": 8,
        "mmol_l": 28.7754,
        "optional": "no"
    },
    {
        "medium_id": 271,
        "compound": "(NH4)2SO4",
        "g_l": 2,
        "mmol_l": 15.1355,
        "optional": "no"
    },
    {
        "medium_id": 271,
        "compound": "K2HPO4",
        "g_l": 0.5,
        "mmol_l": 2.87066,
        "optional": "no"
    },
    {
        "medium_id": 271,
        "compound": "MgSO4 x 7 H2O",
        "g_l": 0.5,
        "mmol_l": 2.02859,
        "optional": "no"
    },
    {
        "medium_id": 271,
        "compound": "KCl",
        "g_l": 0.1,
        "mmol_l": 1.34138,
        "optional": "no"
    },
    {
        "medium_id": 271,
        "compound": "Ca(NO3)2 x 4 H2O",
        "g_l": 0.02,
        "mmol_l": 0.0846923,
        "optional": "no"
    },
    {
        "medium_id": 271,
        "compound": "Distilled water",
        "g_l": null,
        "mmol_l": null,
        "optional": "no"
    }
]