GREANER 3 Mil Grain Spawn Bags, 50 Packs Mushroom Grow Bags for Growing, Magic Mushroom Growing Kit with 0.2 Micron Filter Patch(4"x3"x20")

GREANER 3 Mil Grain Spawn Bags, 50 Packs Mushroom Grow Bags for Growing, Magic Mushroom Growing Kit with 0.2 Micron Filter Patch(4"x3"x20")

• 【3Mil Mushroom Grow Bags】You will receive 50 Excellent mushroom grow bags (Size: 4"x3"x20") made with 3Mil thickened material, providing an ideal environment for mycelium growth, spawning, and substrate cultivation. Enhances mushroom yield and quality effectively.
• 【Excellent Polypropylene Material】Our professional 3Mil PP mushroom grow bags withstand sterilization temperatures (121°C+) and pressure while resisting tears. The breathable material maintains a sterile environment for healthy mycelium growth, and the transparent design lets you monitor progress without opening the bag - making cultivation clean and simple.
• 【0.2-Micron Filter Patch】Equipped with a precision filter, these bags block 99% of contaminants while allowing proper air exchange. This promotes healthy mycelium development and robust mushroom production.
• 【Optimized Growth Space Design】The dimensions ensure full mycelium colonization and provide ample room for fruiting body (mushroom) development, maximizing both yield and quality.
• 【Versatile Mushroom Cultivation】Ideal for growing oyster, shiitake, lion’s mane, reishi, and more! Whether you’re a home grower, lab researcher, or commercial cultivator, these bags support every stage—from spawn run to full fruiting cycles. A reliable choice for hassle-free mushroom farming!