Organic Rye Berry Spawn Jars (3)

Organic Rye Berry Spawn Jars (Three-Pack) – Pre-Sterilized Grain Substrate with Injection Port & .22 µm Gas-Exchange Filter Product DescriptionUnlock the next level of gourmet-grade mushroom cultivation with our meticulously engineered Organic Rye Berry Spawn Jars. Crafted at the intersection of chef-level precision and mycological insight, these three 32 oz Mason jars come pre-filled, pre-sterilized, and ready for inoculation—delivering a plug-and-play substrate solution that meets the rigour of professional-grade kitchens and cultivation labs alike. Why This Spawn Jar Set Works Each jar holds 1 lb of hydrated organic rye berries—fortified with food-grade calcium and sulfur—for improved grain integrity, enhanced moisture retention and optimal “bite” in your colonization phase. A self-healing injection port paired with a .22 µm gas-exchange filter means you’re protected from contaminants while maintaining critical aerobic exchange—no extra prepping required. Made-to-order and shi