Sterilized Master's Mix Bag 5 lbs – Midwest Grow Kits

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Sterilized Master's Mix Bag 5 lbs

(18)
$1299 $1999
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Grow up to 90% of mushrooms with our sterilized 5lb Master’s Mix. Pre-hydrated, pH-balanced, and sealed in a 0.5-micron filter bag. Ships ready to inoculate.


Description

Sterilized Master’s Mix Bag – 5 lbs

Ready-to-Inoculate | 100% Contamination-Free | Trusted by Commercial Growers

Grow nearly 90% of gourmet and medicinal mushrooms with ease using our Sterilized Master’s Mix—the same optimized blend used in our professional grow blocks. Pre-hydrated and pH-balanced for peak performance, this 5lb bag is pressure sterilized at 18 PSI for 2.5 hours, ensuring a completely contaminant-free substrate.

Just mix with your favorite grain spawn and watch your mycelium thrive. Ideal for lion’s mane, oyster, chestnut, and many other wood-loving varieties.

Key Features:

  •     5lb Master’s Mix Substrate (optimized hardwood sawdust and soy hull blend)
  •     Sterilized in 0.5 Micron 14A Filter Bag
  •     Ready to Use – no prep needed
  •     Heat-Sealed & Pressure Sterilized at 18 PSI for 2.5 hours
  •     Perfect Moisture & pH for Optimal Mycelium Growth
  •     Great for lion’s mane, oysters, pioppino, chestnut, and more

For bulk orders of 5 bags or more, email us for wholesale pricing.

Customer Reviews

Based on 18 reviews
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J
Jason
Proper substrate

My order of the substrate arrived on time and was put work right off.(I had a spawn bag already i occulated and ready.
Just colonizing now.
All went well and may use again

J
Jumpspore
Bulk spawn casing and substrate

This is an excellent substrate already sterilized it has the correct amount of moisture and everything is all ready to go If you use this you're sure to have a great results in your mushroom cultivation as long as you have a good grain spawn

H
Honey
Review

Product came swiftly and in a secure box. So far the substrate has been successful in recolonizing my lions mane

M
Micha
Substrate

Great product, I really like it

W
Wheels McPherson
Best

Best sterile cow dirt I've found