The Original Rye Spawn Bags petri-dishes or simply upgrading your daily

or simply upgrading your daily wellness routine

and within days you’ll have dense

Optical-grade polystyrene single-use construction (NOT autoclavable)

Adjustable Airflow Performance

The Original Rye Spawn Bags petri-dishes or simply upgrading your dailyThe Original Rye Grain Spawn Bags (2 Pack) Sterile Rye Berry Grain Spawn Bags for Reliable Mushroom Cultivation Trusted since the 1970s, our Original Rye Grain Spawn Bags are a classic choice for growers who want reliable, nutrient rich grain spawn for mushroom cultivation. These sterile mushroom spawn bags are loaded with over 2 quarts of organic rye berries per baghydrated, pH balanced, fortified with essential minerals, and professionally