Commercial Mushroom Grow Blocks - Ready To Fruit

Fresh from our production line — fully colonised 2.5KG commercial mushroom grow blocks for serious home or commercial growers. Ready to fruit on arrival. Bulk pricing available starting from 10 blocks.

We strongly recommend express post to ensure the blocks arrive as soon as possible and minimise exposure to hot conditions. Please add 'Express Post Addon' product with the quantity matching the number of blocks ordered to ensure express post via AusPost is utilised.

Note, orders for 4 or more commercial mushroom grow blocks of individual varieties will be made to order and can take between two to four weeks depending on species.  

Ideal for small farms, market gardeners, restaurants, and serious home growers who want professional results without the lab setup.

💰 Bulk Pricing (Automatic at Checkout)

🌿 Why Choose Kai Kai Farm Commercial Mushroom Grow Blocks

We’re not resellers — we’re growers.

Every block is prepared, sterilised, and colonised right here at Kai Kai Farm, using methods perfected through years of gourmet and medicinal mushroom production.

That means:

• Consistent performance batch-to-batch
• Verified clean, contamination-free cultures
• Fast turnaround and local pickup options
• Full transparency from substrate to shelf

📦 Storage & Handling

If you can’t fruit immediately, store blocks in a cool, dark place (< 18 °C) for up to 2 weeks.

Handle gently — your mycelium is alive and ready to thrive.

🛠️ Perfect For

• Small commercial farms & start-ups
• Market gardeners and farm-to-table producers
• Home growers scaling up
• Restaurants and Chefs looking to harvest unique produce onsite
• Workshops and educational demos

We’re not resellers — we’re growers - Every block is prepared, sterilised, and colonised right here at Kai Kai Farm, using methods perfected through years of gourmet mushroom production.

That means:
• Consistent performance batch-to-batch
• Verified clean, contamination-free cultures
• Fast turnaround and local pickup options
• Full transparency from substrate to shelf

• Fresh from Production: Pulled directly from our farm’s controlled environment — never stored for long periods.
• Fully Colonised &amp; Ready to Fruit: Each block arrives white, dense, and vigorous, ready to cut and grow within days.
• High-Yield Formula: Nutrient-balanced mix of Australian-grown agricultural inputs designed for strong fruiting performance.
• Consistent Quality: Same recipe, hydration, and sterilisation method used in our own commercial grows.
• Perfect for Scaling Up: Whether you’re producing 5 kg a week or 50 kg, these blocks offer predictable growth and easy management.

• Weight: 2.4 kg each
• Type: Fully colonised ready-to-fruit commercial mushroom grow block
• Species: Varies by batch (e.g. Oyster, Lion’s Mane, Reishi — see dropdown for current availability)
• Format: Sealed filter bag with 0.5 µm patch
• Origin: Made fresh in Tamborine Mountain, QLD

• Oysters/Pioppino - Cut a slit or “X” in the long sides of the bag where you want mushrooms to emerge.
• Lion's Mane - Cut a vertical slit in the bag where you want mushrooms to emerge.
• Reishi - Grow in the bag as antlers or cut horizontal slits and allow the reishi to grow as brackets.
• Place in a humid environment (e.g. greenhouse, grow tent, or shaded area).
• Mist daily and maintain airflow.
• Harvest and repeat — most blocks produce multiple flushes.

Pro tip: Pair your blocks with a small humidity tent or fruiting chamber for optimal yield and shape.

More Growing Information:

• Ships from Tamborine Mountain, QLD, Australia
• Fast dispatch within 1 business day (excluding Fridays)
• Free shipping Australia wide
• Please note, one free mister will be provided with each kit.
  If multiple kits are ordered, you will receive one free mister unless specific instructions are provided in the notes section in the cart.