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High-density microfiber filter media
long-term investment for any serious sterilization setup
Recommended for experienced users only
reducing bacterial and mold risk
What is the working area
Midwest's Select Bulk Substrate Casing Mix - 7.5 pounds monotub High-density microfiber filter mediaMidwest's Select Bulk Substrate Casing Mix 7. 5 Pounds Pasteurized Hydrated Ready to Use Take the guesswork out of bulk mushroom growing with Midwests top selling Select Bulk Substrate, now available in a convenient 7. 5 lb bag. Specially crafted for grain or dung loving mushrooms, this premium mix is fully hydrated, pasteurized, and ready to use right out of the bagperfect for monotubs, totes, or container grows. Designed for the popular bulk or