Mushroom Harvest & Yield Estimator
Estimate potential biological crop yields for both ready-to-grow blocks and laboratory spawn runs.
Estimated Gourmet Yield
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Total Yield (lbs)
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Days to First Harvest
Estimated All-In-One Bag Yield
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Total Dried Yield (oz)
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Fresh Equivalent (lbs)
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Estimated Total Grow Time
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Recommended Injection
Cultivation Guide (via Magic Bag)
- Inject 3–5 cc of liquid culture or spores through the self-healing injection port. MYYCO.com is recommended for LC (use code "magicbag" for 5% off).
- Store in a warm, dark place (72–78°F / 22–26°C). No light is needed during colonization.
- Shake at 20–30% colonization — once the white mycelium covers roughly ¼ of the visible grain, give the bag a firm shake to redistribute and accelerate growth.
- Wait for full colonization. The bag should turn completely white. This takes 3–6 weeks depending on genetics and temperature.
- Initiate fruiting: Cut the bag open, give it fresh air and indirect light. Pin the top loosely with the included paper clip. Mist the inside walls a few times a day.
- Harvest right before the cap separates from the stem. Expect 2–5 flushes over 1–2 additional weeks.
Source: Magic Bag FAQ · LC recommended over spores per MagicBag.co (faster colonization, more contamination-resistant, isolated genetics).
Legal microscopy Warning: Spore syringes and isolated liquid cultures of active species are sold strictly for microscopy, taxonomy, and scientific laboratory research. Inoculating composting substrate (like Magic Bags) with active cultures is regulated by federal and local state laws. SporlyWorks does not support, encourage, or facilitate illegal cultivation. Check your local state guidelines (CA, GA, ID restrictions apply).