Premium 5-Grain Mushroom Quick Colonizing 32oz 5-Grain Spawn Jars (3-Pack) For Sale

3-Pack 32oz Premium 5-Grain Spawn Jars Midwest Grow Kits Premium 5-Grain Spawn Jars 3-Pack • 32oz Wide Mouth Glass Jars Quick-Colonizing, Sterile & Ready to Use Designed for dependable colonization, clean inoculation and strong performance when expanding into bulk substrate. Get faster, more reliable growth with Midwest Grow Kits Premium 5-Grain Spawn Jars. Each 32oz wide mouth jar is filled with a balanced blend of five grain varieties. The mix of grain sizes creates more inoculation points and helps support rapid, even mycelium spread. Fast Colonization Multiple grain sizes provide abundant inoculation points for strong, even growth. Easy Inoculation A self-healing injection port makes inoculation simple and clean. Reliable Airflow Each lid includes a 0.22 micron filter disk for healthy gas exchange. What’s Included ✓Three 32oz wide mouth glass spawn jars ✓Premium 5-grain blend: rye berries, white milo, red milo, white millet and red millet ✓Gypsum and calcium phosphate for improved grain performance ✓0.22 micron filter disk for gas exchange ✓Self-healing injection port for clean inoculation ✓Professionally sterilized at 15 PSI for 120 minutes Product Specifications ComponentDetails Jar Size32oz wide mouth glass jars Pack Size3 jars per pack Grain BlendRye berries, white milo, red milo, white millet and red millet AdditivesGypsum and calcium phosphate Filter Type0.22 micron filter disk Injection PortSelf-healing port Sterilization15 PSI for 120 minutes Recommended Usage Use this chart as a general planning guide. ApplicationAmountNotes Spore Syringe3–4cc per jarInject through the self-healing port Liquid Culture5–7cc per jarFor faster colonization when using clean culture Bulk Substrate1–2 jars per 5 lbGeneral recommendation for monotubs and bulk grows Best UseMonotubs & traysExpand colonized grain into larger fruiting setups Built for Dependable Colonization The combination of larger and smaller grains helps distribute inoculant throughout the jar. The jars are easy to monitor, easy to shake and well suited for growers moving into bulk substrate and monotub cultivation. Premium Grain Spawn Jars for Mushroom Cultivation Sterile, ready-to-use grain jars created to simplify inoculation and support consistent growth from jar to bulk substrate.