1.5KG Sterile Organic Rye Grain Spawn - Ready to Inoculate | Premium Mushroom Growing Substrate UK
1.5KG Sterile Organic Rye Grain Spawn - Ready to Inoculate | Premium Mushroom Growing Substrate UK
- Professional Grade Sterility | Laboratory sterilised and ready to inoculate
- Beginner Friendly Results | Eliminates contamination risks for highest success rate
- High Success Rate | Consistently produces contamination-free results
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Professional Grade Sterility. Beginner Friendly Results.
Laboratory sterilised and ready to inoculate. Our premium rye grain spawn eliminates contamination risks, giving you the highest success rate for home mushroom cultivation. Perfect for both beginners and experienced cultivators.
What's Included
- 1.5KG Sterilised Organic Rye Grain
- Sterile nitrile gloves
- Surgical face mask
- 70% isopropyl alcohol swab
- Antimicrobial hand wipe
- Complete inoculation instructions
Simple Inoculation Process
Add your chosen spore syringe or liquid culture through the self-healing injection port. This 1.5KG bag creates sufficient spawn to inoculate 3-6KG of substrate, depending on your mushroom species and desired colonisation speed.
Quality Assurance
Each batch undergoes rigorous pressure sterilisation and quality testing. Our grain maintains optimal moisture content and nutritional profile for rapid mycelial growth. Consistently produces contamination-free results when proper sterile technique is followed.
🚀 Ready to Scale Up Your Growing?
Save Up to 25% with Bulk Pricing
Growing multiple species or planning larger batches? Our bulk pricing offers significant savings:
- 5 bags: Save 5% - £66.45 total
- 10 bags: Save 10% - £125.90 total
- 25 bags: Save 15% - £297.25 total
- 50+ bags: Save up to 25% - Perfect for commercial operations
Compatible Substrates
Once fully colonised (7-21 days), mix with our CVG substrate or other growing mediums. Suitable for most gourmet, exotic, and medicinal mushroom species.
Technical Specifications
- Weight: 1.5kg
- Grain Type: Organic rye berries
- Self-healing injection port: Yes
- 0.22μm filter patch: Yes
- Sterility guarantee: Laboratory tested
- Storage: 4 weeks, longer if refrigerated
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Easy Payment Options
Easy Payment Options
We accept all major credit and debit cards and cryptocurrency payments.
For cash or crypto on delivery, please email us first to arrange details before placing your order: support@williamscosupplies.com
All transactions are processed securely.
Fast & Discreet Delivery
Fast & Discreet Delivery
FREE delivery on orders over £30.
Your order will be sent with Royal Mail or Parcelforce, you will receive
an email once your order has been dispatched.
Orders are dispatched within 3
working days unless stated otherwise.
Plain packaging.
30 Day Grow Guarantee
30 Day Grow Guarantee
We offer a 30 Day Money Back / Replacement Guarantee on all of our products.
To claim your replacement or refund please send us photos of the issue to: support [at] williamscosupplies.com and we will do our best to help you.
Growing Guidelines
Growing Guidelines
Legal Disclaimer
All products sold by Williams Co Supplies are intended for lawful uses only. Our mushroom cultivation supplies are designed for growing gourmet and medicinal mushroom species.
We explicitly prohibit the use of our products for cultivating psilocybin-containing mushrooms or any other controlled substances. Cultivation of psilocybin mushrooms (magic mushrooms) is illegal in the United Kingdom and most other jurisdictions, with severe legal penalties for violation.
By purchasing our products, you acknowledge this disclaimer and confirm that you will use these items solely for legal mushroom cultivation purposes. Williams Co Supplies accepts no responsibility for misuse of our products contrary to applicable laws and regulations.
If you have questions regarding which mushroom species may be legally cultivated, please consult appropriate legal resources or authorities before proceeding.
