Ready To Use Mushroom Substrate | Williams Co Supplies
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Collection: Mushroom Substrate

Discover our range of ready-to-use bulk mushroom substrates, designed to simplify the spawn to bulk process. Just open the heat-sealed bag and mix with your colonised grains for effortless mushroom cultivation. Perfect for growers of all levels, our bulk substrates ensure an easy and productive growing experience.

10 products
  • 2.5KG Substr8™ High Performance Ready To Use Mushroom Substrate
    Regular price
    £34.99
    Sale price
    £34.99
    Regular price
    £49.99
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  • Sterile CVG Mushroom Substrate (Coco Coir, Vermiculite & Gypsum)
    Regular price
    from £9.99
    Sale price
    from £9.99
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  • Sterile Manure Mushroom Substrate
    Regular price
    from £24.99
    Sale price
    from £24.99
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  • Sterile Masters Mix Mushroom Substrate Fruiting Block | 2.5KG
    Regular price
    £14.99
    Sale price
    £14.99
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  • Sterile Masters Straw Mix Mushroom Substrate Fruiting Block | 2.5KG
    Regular price
    £14.99
    Sale price
    £14.99
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  • Sterile Supplemented Hardwood Mushroom Substrate Fruiting Block | 2.5KG
    Regular price
    £14.99
    Sale price
    £14.99
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  • 30-240L Substr8™ High Performance Mushroom Substrate | SAVE UP TO 30%
    Regular price
    from £199.99
    Sale price
    from £199.99
    Regular price
    £239.94
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    per 
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  • Exotyc™ Zoo Manure Mushroom Substrate
    Regular price
    from £39.99
    Sale price
    from £39.99
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  • Mycelial Growth Promoter™ 60ml
    Mycelial Growth Promoter
    Regular price
    £14.99
    Sale price
    £14.99
    Regular price
    £19.99
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    per 
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  • Wholesale Ready To Use CVG Mushroom Substrate | SAVE UP TO 50%
    Regular price
    from £599.70
    Sale price
    from £599.70
    Regular price
    Unit price
    per 
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