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Advanced2-3 weeks

Log Spawn Production Guide

Learn log spawn production from scratch with a clear step-by-step workflow, recommended tools, safety guidelines, and expert tips.

advanced mycologistssupply makers

Workflow

  1. Sterilize Grain or Sawdust

    4 hours

    Pressure cook substrate 15 PSI 90 min bags jars.

  2. Inoculate Sterile

    1 hour

    Transfer wedge or LC sterile shake distribute.

  3. Colonize in Incubator

    2 weeks

    70-75°F white evenly break shake if needed.

  4. Use or Refrigerate

    ongoing

    Use fresh or fridge 3 months spawn supply.

Checklist

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Planning

Preparation

Safety

Execution

Quality

Documentation

Reference Materials

Spawn Production StandardStandard

Industry best practices for spawn production.

Spawn Production FormulaFormula

Sterilize 15 PSI 90 min; incubate 70-75°F; contamination under 5% goal.

Spawn Production Reference TableTable

Key benchmarks for spawn production.

StepParamFail sign
Sterilize15 PSIWet bag
Incubate72°FGreen mold

  • Pro Tip

    Contamination — toss never salvage green.

  • Time Saver

    Label everything — strain mix ups.

  • Warning

    Flow hood worth investment volume.

Safety Notes

  • Pressure cooker burn — wait depressurize.
  • Autoclave explosion rare — weight stuck check.

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