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1.5KG Substr8™ Inject & Forget Mushroom Growing Kit Bulk Buy - Save up to 25% | Professional Grade UK

1.5KG Substr8™ Inject & Forget Mushroom Growing Kit Bulk Buy - Save up to 25% | Professional Grade UK

  • Maximum Savings | Save up to £500 with professional bulk pricing tiers
  • Zero Maintenance Growing | Simply inject spores and harvest in 4-6 weeks - no monitoring required
  • Perfect for Scaling Operations | Ideal for research facilities and commercial cultivators
Quantity
Regular price £94.95 GBP
Regular price £89.94 GBP Sale price £94.95 GBP
Sale Sold out
Discounts & Shipping calculated at checkout.

Professional Scale Zero-Maintenance Growing. Maximum Savings.

Save up to £500 with our bulk Substr8™ kits - perfect for serious cultivators, research facilities, or commercial operations. Each kit maintains our premium 8-ingredient formula with built-in contamination resistance. Simply inject and forget - no monitoring required.

Bulk Pricing Benefits

  • 5 kits: 5% discount - £94.95 total (Save £5.00)
  • 10 kits: 10% discount - £179.90 total (Save £19.90)
  • 25 kits: 15% discount - £424.75 total (Save £74.50)
  • 50 kits: 20% discount - £799.50 total (Save £199.50)
  • 100 kits: 25% discount - £1,499.00 total (Save £500.00)

Professional 8-Ingredient Formula

Our exclusive Substr8™ blend combines premium rye grain, coco coir, straw, bat guano, worm castings, coffee grounds, vermiculite, and gypsum. Each kit delivers 500-800g total yield across multiple harvests with built-in contamination resistance.

Perfect for Scaling Operations

Ideal for research facilities, commercial growers, or serious hobbyists running multiple species trials. Each kit is individually sealed and maintains 4-6 week shelf life. Stagger your inoculations for continuous harvests throughout the year.

Zero Maintenance Growing Process

1. Inject - Add 10ml spores per kit through injection port
2. Wait - Place in warm location (20-25°C) for 4-6 weeks
3. Harvest - Multiple flushes with zero monitoring required

What's Included Per Kit

  • 1.5KG premium 8-ingredient substrate blend
  • Sterile nitrile gloves
  • Surgical face mask
  • 70% isopropyl alcohol wipe
  • Antimicrobial hand wipe
  • Complete injection instructions

Detailed Ingredients

Every component has been thoughtfully chosen and expertly measured to deliver the fastest, largest, and best flushes humanly achievable.

  • Rye Grain - About 600g per kit, hydrated to the perfect level
  • Coco Coir - The primary element of a top-tier substrate
  • Straw - Source of carbohydrates for your mycelium to thrive on
  • Bat Guano - Broad source of nutrients your mushrooms will thank you for
  • Worm Castings - Broad source of minerals including phosphorus, magnesium, potassium, and calcium
  • Coffee - An essential nitrogen source for robust and vigorous growth
  • Vermiculite - Optimises moisture retention to support multiple flushes
  • Gypsum - Adds vital nutrients for your mycelium and keeps pH in check, minimising contamination risk
  • Water - Purified through an advanced 5-stage filtration system

Customer Success Story

"This stuff is unlike anything I have ever seen. The mycelium goes nuts and it seems have built in contam resistance. I cannot rate this highly enough. Seemed expensive but wow you get what you pay for!"

- Stuart P, UK

Bulk Order Support

Bulk orders include priority customer support and technical guidance. Need help with large-scale cultivation planning or staggered inoculation schedules? Our team provides dedicated assistance for commercial operations and research facilities.

Usage Recommendations

We recommend using around 10ml of spores or liquid culture per kit. For bulk operations, consider staggering inoculations 1-2 weeks apart to ensure continuous harvesting cycles and optimal resource management.

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

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

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

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.

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