Sterilized Master's Mix Bag 5 lbsReady to inoculate. 100% contamination free. Trusted by commercial growers. Our Sterilized Master's Mix Bag is the same optimized substrate we use in our own professional grow blocks now ready for your bench. This 5 lb bag of pre hydrated, pH balanced hardwood sawdust and soy hull blend is pressure sterilized at 18 PSI for 2. 5 hours, so it arrives completely contaminant free and ready to colonize. Just add your colonized grain spawn, seal it back up,

experiment with multiple varieties

How many plates does one bag really make

Introducing the Myco Labs Original Mushroom Dehydrator

this system creates a stable fruiting environment while keeping contamination risk low

·         Natural Energy & Stamina – Supports healthy ATP production for sustained energy

This is particularly valuable for case-quantity purchases where you might gradually work through the inventory over many months

engineered to maintain proper airflow and humidity for consistent colonization and reliable fruiting

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triterpenoids

full-color guide to North American mushrooms

Capacity: 3–4 lbs hydrated grain

$3–$5 for pre-poured plates