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$25.00
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Description
Midwest's Select Bulk Substrate Casing Mix – 7.5 Pounds Pasteurized • Hydrated • Ready to Use
Take the guesswork out of bulk mushroom growing with Midwest’s top-selling Select Bulk Substrate, now available in a convenient 7.5 lb bag. Specia...
Reviews
4.8
30 ratings
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Wonderful product
It is amazing. I will continue to order from this company for the rest of my life. Thank you so much, Midwest.
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Zackary · 5 days ago
I like it, its just a little to dry for spawning to bulk,im having to spray a lot of water to get to the humidity level that i need to get to.
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Laura · July 6, 2026
Substrate
I have got substrate from 3 or 4 other places but as of now this is the very best substrate I have purchased anywhere. Don’t you guys change anything about this mix it works great thanks. And I love both of my all in one 44 qt grow tubs that has everything you need to grow. Set it up fill it up and walk away. All you do from there is walk in and look at work great best idea for new growers ever. Thanks for that too.