MUSHROOM CULTIVATION PRODUCTS CRAFTED WITH CARE
At MPSubstrates, we’re passionate about providing top-tier mushroom cultivation products for customers who value quality and trust. Our mission is to offer reliable growing materials that meet high standards for freshness, purity, and performance.
We’re committed to exceptional customer care, fast shipping, and a smooth shopping experience—from seed to satisfaction.
Mr Poopy's Products
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Grain bag & Substrate 3 packs
- Regular price
- from $20.00
- Sale price
- from $20.00
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Manure Based Substrate
- Regular price
- from $28.00
- Sale price
- from $28.00
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Sterile 3 pound Milo grain bag with injection port
- Regular price
- from $42.00
- Sale price
- from $42.00
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Simple CVG Substrate - Coconut Coir, Vermiculite, & Gypsum
- Regular price
- from $32.00
- Sale price
- from $32.00
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Dry Shredded Coconut Coir
- Regular price
- $10.00
- Sale price
- $10.00
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Compressed 4.5kg coconut coir bricks
- Regular price
- $10.00
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- $10.00
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Dry shredded horse manure
- Regular price
- $50.00
- Sale price
- $50.00
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Unicorn 10T injectable spawn bags with .2 micron filter patch
- Regular price
- from $30.00
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- from $30.00
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Gypsum powder solution grade
- Regular price
- from $25.00
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- from $25.00
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Locally produced Raw Honey
- Regular price
- $20.00
- Sale price
- $20.00
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Autoclave Temperature Probe K type wire
- Regular price
- from $750.00
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- from $750.00
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Why Shop with MPSubstrates?
- Fresh, High-Quality Cultivation Supplies
- Carefully Packaged & Shipped
- Discreet and Secure Checkout
- Fast, Reliable Delivery
- Friendly Customer Support
Start growing with confidence—Shop our collection today
