Mushroom Substrates

Sterile grain and bulk substrates for building indoor mushroom grows from inoculation through fruiting.
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  • North Spore CVG coco vermiculite gypsum sterile bulk mushroom substrate

    North Spore CVG Coco Vermiculite Gypsum Sterile Bulk Substrate — 5 lb

    North Spore CVG Coco Vermiculite Gypsum Sterile Bulk Substrate — 5 lb
    $22.99 USD
  • North Spore Wood Lovr organic hardwood sterile mushroom substrate

    North Spore Wood Lovr Organic Hardwood Sterile Mushroom Substrate — 5 lb

    North Spore Wood Lovr Organic Hardwood Sterile Mushroom Substrate — 5 lb
    $28.99 USD