{
    "id": 15,
    "name": "Main sol. 12",
    "volume": 1000,
    "recipe": [
        {
            "recipe No.": 1,
            "compound": "air-dried garden soil",
            "compound_id": 2083,
            "solution": null,
            "solution_id": null,
            "condition": null,
            "attribute": null,
            "amount": 400,
            "unit": "g",
            "g_l": 400,
            "mmol_l": null,
            "optional": "no"
        },
        {
            "recipe No.": 2,
            "compound": "Tap water",
            "compound_id": 322,
            "solution": null,
            "solution_id": null,
            "condition": null,
            "attribute": null,
            "amount": 1000,
            "unit": "ml",
            "g_l": null,
            "mmol_l": null,
            "optional": "no"
        },
        {
            "recipe No.": 3,
            "compound": "Agar",
            "compound_id": 3,
            "solution": null,
            "solution_id": null,
            "condition": null,
            "attribute": null,
            "amount": 15,
            "unit": "g",
            "g_l": 15,
            "mmol_l": 44.5991,
            "optional": "no"
        }
    ],
    "steps": [
        {
            "recipe No.": null,
            "step": "Sterilize 400.0 g of air-dried garden soil (with high content of organic matter) in 1000 ml tap water for one hour at 121\u00b0C. Allow it to sediment for a few hours at room temperature. Centrifuge the supernatant. Add 15.0 g agar per 1000 ml to the clear supernatant solution thus obtained. Adjust pH to 6.8 - 7.0 and sterilize."
        }
    ],
    "equipment": {
        "1757": "Centrifuge"
    },
    "Sol. No.": null,
    "main solution": "no"
}