Rye Grain Spawn + CVG Bulk Substrate MonoGrow Refill Bundle

Growing mushrooms in a MonoTub setup is one of the most reliable and scalable ways to cultivate at home.
This refill bundle provides the essential components needed to prepare a fresh bulk grow using high quality sterilised rye grain spawn and CVG substrate.

Whether you are topping up an existing grow setup or preparing a new tub, this bundle provides the right balance of nutrients and substrate for consistent results.

The simple idea

• Pre-sterilised rye grain spawn ready for colonisation
• High quality CVG bulk substrate blend
• Designed for reliable MonoTub growing
• Simple and efficient refill solution

What you can expect

• Fast colonisation when mixed at the correct ratio
• Balanced nutrient environment for strong flush potential
• Clean, sterilised preparation to reduce contamination risk
• Ideal for gourmet mushroom cultivation

How to use

1. Fully colonise your rye grain spawn.
2. Break up the spawn evenly.
3. Mix thoroughly with the CVG substrate inside your MonoTub.
4. Allow the bulk substrate to colonise before initiating fruiting conditions.

Ingredients

Our CVG substrate blend contains:

• Coco coir
• Vermiculite
• Gypsum

The substrate is hydrated to field capacity and prepared under controlled conditions for consistent performance.

Storage

For best results, use soon after delivery.

If storing for later use:

• Keep rye grain spawn refrigerated
• Store CVG substrate in a cool, dry environment

What’s included

• Rye grain spawn (size depends on bundle selected)
• CVG bulk substrate (size depends on bundle selected)

Not included

• All in One MonoGrow Kit
• Spore syringe or liquid culture (sold separately)

Note: This product is intended for the legal cultivation of gourmet and edible mushrooms only. Always follow local laws and safe handling practices.