EACH 5 lb bag of Grain Spawn is guaranteed to be viable and free
contaminations or we will replace it...no charge. Ready to transfer to bulk substrate shortly after it's arrival
or keep refrigerated (36°F or above) for several weeks or more until you are
ready to use it.
Live Master Grain Spawn
Click PULL DOWN to see our HUGE selection!
Note: Live Master Grain Spawn
are acceptable to extreme temperatures. Please allow
longer delivery then normal if temperatures exceed 90f
or lower then 36f. All Master
Grain Spawn will be shipped on Mondays
between these temperature
Allow 2-4 weeks for delivery (depending on strain)