Ready to Inoculate • Professional-Grade
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✔ Fully pressure-sterilised
Pressure-sterilised for safe, contaminant-free growing.
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✔ Used by commercial & experienced growers
A proven substrate trusted in professional mushroom cultivation.
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✔ Ready to inoculate out of the bag
No prep needed — simply inoculate and incubate.
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✔ Sterile IPA wipes included
Includes sterile IPA wipes for clean, hygienic inoculation.
These Work Great With Masters Mix
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Blue Oyster Liquid Culture Syringe, Pleurotus ostreatus
Regular price £7.95 GBPRegular price£14.95 GBPSale price £7.95 GBPSale -
Lion’s Mane Liquid Culture Syringe, Hericium erinaceus
Regular price £7.95 GBPRegular price£14.95 GBPSale price £7.95 GBPSale -
Black Pearl King Oyster Liquid Culture Syringe
Regular price £7.95 GBPRegular price£14.95 GBPSale price £7.95 GBPSale -
Red Reishi Liquid Culture Syringe, Ganoderma lucidum
Regular price £7.95 GBPRegular price£14.95 GBPSale price £7.95 GBPSale
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Speckled Chestnut Liquid Culture Syringe
Regular price £7.95 GBPRegular price£14.95 GBPSale price £7.95 GBPSale -
Antler Reishi Liquid Culture Syringe, Ganoderma lucidum
Regular price £7.95 GBPRegular price£14.95 GBPSale price £7.95 GBPSale -
Grey Oyster Liquid Culture Syringe, Pleurotus ostreatus
Regular price £7.95 GBPRegular price£14.95 GBPSale price £7.95 GBPSale -
King Oyster Liquid Culture Syringe, Pleurotus eryngii
Regular price £7.95 GBPRegular price£14.95 GBPSale price £7.95 GBPSale -
Oyster Mushroom Liquid Culture Bundle, 6 x 10ml Syringes
Regular price £29.95 GBPRegular price -
Oyster Trio Liquid Culture Bundle, 3 x 10ml Syringes
Regular price £18.95 GBPRegular price -
Phoenix Oyster Liquid Culture Syringe
Regular price £7.95 GBPRegular price£14.95 GBPSale price £7.95 GBPSale
What Is Master’s Mix?
Master’s Mix is a proven 50/50 hardwood and soy hull substrate that’s trusted across the mushroom-growing community. It offers the ideal balance of nutrition and structure, making it easy to use for beginners while still delivering the performance experienced and commercial growers expect.
Fully sterilised, sealed, and ready to grow — no prep required.
Why Master's Mix
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Faster colonisation than plain sawdust or straw
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Strong, even mycelial growth
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Higher yield potential
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Consistent results between batches
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Industry-standard substrate formulation
How to Use
- Clean the injection area using the included sterile IPA wipe
- Inoculate with liquid culture or grain spawn
- Seal the injection point with provided micropore sticker
- Incubate in a clean, warm environment
- Allow full colonisation before fruiting
Buy more, save more - Buy any 3 Liquid cultures save 25% • Buy 5 save 40% • Buy 10 save 50% (auto-applied)