6-Pack Sterilized Popcorn Grain Spawn – 1 Lb Bags With Injection Ports – Out-Grow

Six fully sterilized, ready-to-use popcorn grain spawn bags from Out-Grow.

Each bag is 1 lb, equipped with self-healing injection ports.

Just inject your liquid culture or spores and wait.

Fully hydrated, pH neutral, perfect for oyster, shiitake, lion’s mane, and more.

Made in the USA.

Great for both beginners and advanced mycologists.

Fast colonization, vigorous growth.

Store in 90% humidity, use in full shade.

If you’re growing mushrooms at home, these bags save time and reduce contamination risk.

Grab a 6-pack and get your grow on.