Out Grow Sterilized Rye Berry Grow Bag 25lbs – Mushroom Substrate Kit

Alright, if you're into growing mushrooms, this is exactly what you need.

It's a 25-pound sterilized rye berry grow bag from Out Grow.

The bag is packed with nutrient-rich rye berries, fully sterilized and ready to be inoculated.

No messing around with mixing or pressure cooking—just take it out, inject your spores or liquid culture, and let it do its thing.

It's labeled as new fresh substrate, so you're getting a clean start every time.

Whether you're a beginner or a seasoned grower, this bag makes life easier.