Skip to product information
1 of 1

Sterile Rye Grain + CVG Substrate Combo Deal - Complete Growing Setup | 1.5KG + 3KG

Sterile Rye Grain + CVG Substrate Combo Deal - Complete Growing Setup | 1.5KG + 3KG

  • Complete Growing Setup | Everything needed except spores - grain + substrate in perfect ratio
  • Proven Results | Tested combination delivers 300-700g yields with high success rate
  • Better Value Combo | Convenience of one purchase with perfectly matched quantities
Regular price £29.99 GBP
Regular price Sale price £29.99 GBP
Sale Sold out
Discounts & Shipping calculated at checkout.

Complete Growing Setup. 

Our most popular combination delivers everything you need for successful mushroom cultivation. This proven pairing of premium rye grain and CVG substrate consistently produces 300-700g harvests with minimal contamination risk. Perfect for beginners wanting a complete solution.

What's Included

  • 1.5KG sterile organic rye grain (ready for inoculation)
  • 3KG sterile CVG substrate (perfect field capacity)
  • Sterile nitrile gloves
  • Surgical face mask
  • 70% isopropyl alcohol wipe
  • Antimicrobial hand wipe
  • Complete growing instructions

Traditional Two-Stage Process

Stage 1: Spawn Production - Inoculate the 1.5KG rye grain with 10ml spores or liquid culture
Stage 2: Bulk Growing - Mix colonized grain with 3KG CVG substrate
Stage 3: Fruiting - Maintain humidity for 2-3 weeks until harvest
Timeline: 6-8 weeks total from inoculation to harvest

Proven Results

  • Expected yield: 300-700g fresh mushrooms per cycle
  • Success rate: High contamination resistance from quality materials
  • Multiple flushes: 2-3 harvest cycles typical
  • Learning experience: Understand the complete growing process

Perfect Ratio for Success

This 1:2 grain-to-substrate ratio is the gold standard for mushroom cultivation. Provides optimal nutrition distribution while maintaining proper moisture levels throughout the growing cycle.

What You'll Need to Add

  • 10ml spore syringe or liquid culture (sold separately)
  • Large mixing container
  • Fruiting chamber or humidity tent

Quality Guarantee

Both the grain and substrate undergo professional sterilization processes. If either component shows contamination upon arrival, we'll replace it immediately at no cost.

LEGAL DISCLAIMER: This is not intended for the cultivation of psilocybe cubensis or magic mushrooms. "Magic mushrooms" or "shrooms" are illegal in most countries and you could face legal repercussions.

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.

View full details