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🍄 Grower guidesMushroom growing guides
Clear, practical writeups for people who sell what they grow — the numbers and decisions that actually move yield, cost, and reliability on a small gourmet mushroom farm. No fluff, no sign-up.
Oyster mushroom growing: complete guide
The best place to start — choose a variety and substrate, spawn, colonize, fruit, harvest your flushes, troubleshoot, and know what yield to expect. Links every tool and guide you'll need.
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Lion's mane growing: complete guide
The premium gourmet & functional crop — substrate, spawning, the high-humidity/high-fresh-air fruiting it needs, how to fix branchy "coral" growth, harvest, and the yield to expect.
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Shiitake growing: complete guide
The blue-chip gourmet crop — sawdust blocks vs logs, the long colonization, the browning the block must do before it fruits, the cold-water soak that triggers each flush, harvest, and the high yield to expect.
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How long does it take to grow mushrooms?
The full timeline, stage by stage — inoculation, colonization, pinning, fruiting — with real day counts for oyster, lion's mane, shiitake and 14 species, and what makes a grow fast or slow.
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How to get mushrooms to pin
The 4 triggers that cause pinning (CO₂ drop, humidity, FAE, temperature), species-by-species conditions, and a troubleshooting table for blocks that won't fruit.
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How to start a mushroom farming business
The realistic, numbers-first version — startup costs, the production cycle, whether it's profitable, how to find buyers, and the mistakes that quietly sink new farms.
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Biological efficiency, explained
The single most useful number on a mushroom farm — what BE means, how to calculate it, target ranges by species, and seven ways to push it higher.
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Spawn ratio, explained
How much grain spawn to mix into your substrate — 10% vs 20% vs 30%+, the trade-offs for speed, contamination, and yield, with a worked example.
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Master's Mix substrate recipe
The workhorse gourmet block substrate — the exact 50/50 hardwood sawdust & soy hull recipe, real batch weights, why it fruits so well, and the two mistakes that contaminate it.
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How much water to add (field capacity)
What field capacity means, the squeeze test, how much water per substrate type, and how to rescue a batch that's too wet or too dry — the moisture level that decides yield and rot.
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Contamination: identify & prevent
Recognize green mold, cobweb, black mold, and bacterial blotch at a glance, understand what each is telling you, and the prevention checklist that stops the biggest drain on a small farm.
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Run the whole farm on more than a notebook
Mycro turns these ideas into a working system: log every batch from spawn to flush and get your real BE, yield, and cost per pound — per strain and substrate.
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