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Coco/Vermiculite/Gypsum (CVG) Bulk Substrate | 2kg
Perfect for monotubs, bulk substrate, and casing layers, this 2kg (4.4lb) organic coco coir and vermiculite substrate is designed to make mushroom growing easy and reliable.
Each bag is pressure sterilised at 15 PSI for 3 hours, giving you a clean, ready-to-use substrate that supports strong, healthy mycelial growth and consistent harvests.
Optimised for healthy growth
The mix is prepared at perfect field capacity, providing the ideal moisture balance so your mushrooms can colonise quickly and fruit abundantly.
Whether growing gourmet or medicinal mushrooms at home, this substrate offers dependable performance for both beginners and experienced growers.
Ready-to-use sterile packaging
Your substrate arrives heat-sealed in a mushroom grow bag, ready to be combined with your preferred grain spawn with no extra preparation needed.
Each bag is produced under a 99.99% sterile laminar flow hood and features a 0.2-micron filter patch for clean air and gas exchange while protecting against contaminants.
Freshly made to order
Every batch is freshly made to order to ensure maximum freshness, fast colonisation, and reliable yields.
Please allow up to 4 business days for production on all substrates, grow kits, and grains so quality is never rushed.
Quality you can trust
At Artisan Mushrooms Ireland, all agar plates, supplemented hardwood kits, coco coir vermiculite substrates, grains, and liquid cultures are pressure sterilised in a sterile lab environment for consistent, professional-grade results.
Liquid cultures are packed exclusively in front of a laminar flow hood, maintaining the highest standards of purity for your mushroom cultivation projects.
Bulk options and enquiries
Bulk discounts are available on larger orders of grow bags, liquid cultures, and grain spawn, making it easy and affordable to scale up your grow.
Start your mushroom growing journey at home today with user-friendly grow kits and premium cultures from Artisan Mushrooms Ireland, and contact the team directly with any questions or special requests.
Perfect for monotubs, bulk substrate, and casing layers, this 2kg (4.4lb) organic coco coir and vermiculite substrate is designed to make mushroom growing easy and reliable.
Each bag is pressure sterilised at 15 PSI for 3 hours, giving you a clean, ready-to-use substrate that supports strong, healthy mycelial growth and consistent harvests.
Optimised for healthy growth
The mix is prepared at perfect field capacity, providing the ideal moisture balance so your mushrooms can colonise quickly and fruit abundantly.
Whether growing gourmet or medicinal mushrooms at home, this substrate offers dependable performance for both beginners and experienced growers.
Ready-to-use sterile packaging
Your substrate arrives heat-sealed in a mushroom grow bag, ready to be combined with your preferred grain spawn with no extra preparation needed.
Each bag is produced under a 99.99% sterile laminar flow hood and features a 0.2-micron filter patch for clean air and gas exchange while protecting against contaminants.
Freshly made to order
Every batch is freshly made to order to ensure maximum freshness, fast colonisation, and reliable yields.
Please allow up to 4 business days for production on all substrates, grow kits, and grains so quality is never rushed.
Quality you can trust
At Artisan Mushrooms Ireland, all agar plates, supplemented hardwood kits, coco coir vermiculite substrates, grains, and liquid cultures are pressure sterilised in a sterile lab environment for consistent, professional-grade results.
Liquid cultures are packed exclusively in front of a laminar flow hood, maintaining the highest standards of purity for your mushroom cultivation projects.
Bulk options and enquiries
Bulk discounts are available on larger orders of grow bags, liquid cultures, and grain spawn, making it easy and affordable to scale up your grow.
Start your mushroom growing journey at home today with user-friendly grow kits and premium cultures from Artisan Mushrooms Ireland, and contact the team directly with any questions or special requests.

