Mushroom Grain Spawn / Liquid Culture lid - For 70mm Mason Bell Kilner Jar

Fits standard 70mm Kilner, Mason, Bell preserve jars (widemouth lids available). Built using 70mm Polypropylene lids capable of withstanding your pressure cooker/ autoclave. Grain Spawn or Liquid Culture lid (Jar not included) - brought to you by Jurassic Coast Mushrooms.

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