{"product_id":"masters-mix-substrate-bag","title":"Master's Mix Substrate — 5lb | Premium Wood-Lover's Fruiting Block","description":"\u003ch2\u003e🪵 Maximum Yields for Wood-Loving Species\u003c\/h2\u003e\n\u003cp\u003eMaster's Mix is the substrate of choice for serious growers chasing big flushes from wood-loving mushrooms. Our 5lb fruiting block combines hardwood sawdust with soy hulls — the high-performance formula that delivers exceptional yields from wood-loving species. Autoclave sterilized in a professional mycology facility and ready to use right out of the bag.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e📦 What's Inside\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e5lb of autoclave sterilized Master's Mix:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardwood Sawdust\u003c\/strong\u003e — the structural backbone of the substrate, providing the cellulose and lignin that wood-loving mycelium breaks down to fuel growth\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoy Hulls\u003c\/strong\u003e — a nutrient-dense supplement that significantly boosts yields compared to straight hardwood alone, with a nutrient profile that wood-loving species absolutely thrive on\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e✅ Key Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e🪵 \u003cstrong\u003eMaster's Mix formula\u003c\/strong\u003e — the gold standard for wood-loving species, trusted by hobby and commercial growers alike\u003c\/li\u003e\n  \u003cli\u003e🧪 \u003cstrong\u003eProfessional autoclave sterilization\u003c\/strong\u003e — eliminates contaminants before they become your problem\u003c\/li\u003e\n  \u003cli\u003e🌿 \u003cstrong\u003eOrganic, sustainable ingredients\u003c\/strong\u003e — responsibly sourced from start to finish\u003c\/li\u003e\n  \u003cli\u003e🌬️ \u003cstrong\u003e2 micron filter patch\u003c\/strong\u003e — clean gas exchange throughout colonization\u003c\/li\u003e\n  \u003cli\u003e📦 \u003cstrong\u003eShips fresh\u003c\/strong\u003e — we prep bags daily so what arrives at your door is always fresh and ready to perform\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e🍄 What Grows Best in Master's Mix?\u003c\/h2\u003e\n\u003cp\u003eMaster's Mix is specifically designed for \u003cstrong\u003ewood-loving species\u003c\/strong\u003e that thrive on hardwood-based substrates, including:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e🦁 \u003cstrong\u003eLion's Mane\u003c\/strong\u003e — one of the highest yielding species on Master's Mix\u003c\/li\u003e\n  \u003cli\u003e🌊 \u003cstrong\u003eOyster Mushrooms\u003c\/strong\u003e (Pearl, Blue, Pink, Golden) — vigorous, fast-fruiting, and prolific\u003c\/li\u003e\n  \u003cli\u003e🍄 \u003cstrong\u003eShiitake\u003c\/strong\u003e — rich, meaty flushes with excellent flavor\u003c\/li\u003e\n  \u003cli\u003e🌿 \u003cstrong\u003eReishi\u003c\/strong\u003e — slow-growing medicinal species that thrives on hardwood\u003c\/li\u003e\n  \u003cli\u003eAnd many more wood-decomposing species\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e🌱 Who Is This For?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBeginner growers\u003c\/strong\u003e — no sterilization equipment needed, just add your colonized grain spawn and go\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExperienced growers\u003c\/strong\u003e — a reliable, high-yielding substrate that fits any wood-lover workflow\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e❓ How Do I Use It?\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eAllow your grain spawn to fully colonize\u003c\/li\u003e\n  \u003cli\u003eOpen the bag in a clean environment and mix in your colonized grain spawn\u003c\/li\u003e\n  \u003cli\u003eReseal the bag with micropore tape or a heat sealer\u003c\/li\u003e\n  \u003cli\u003eAllow the substrate block to fully colonize\u003c\/li\u003e\n  \u003cli\u003eInitiate fruiting conditions, wait for pins, and harvest 🍄\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eFor detailed grow guides and tips, check out our Learn page.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e💯 The That Mushroom Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe stand behind every bag we sell. If something arrives damaged or contaminated, we'll make it right — no hassle, no runaround.\u003c\/p\u003e","brand":"That Mushroom","offers":[{"title":"Default Title","offer_id":45011603030086,"sku":null,"price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/9850\/2214\/files\/Gemini_Generated_Image_36ik7436ik7436ik.png?v=1784005405","url":"https:\/\/thatmushroom.com\/products\/masters-mix-substrate-bag","provider":"That Mushroom","version":"1.0","type":"link"}