Bulk Substrate & Field Capacity Calculator
Calculate precise dry-to-wet mass ratios, boiling water volumes, and grain spawn requirements for 60–65% moisture field capacity.
Monotub Parameters
Bucket Tek Pasteurization:
- Place dry Coir and Gypsum into a clean, insulated 5-gallon bucket.
- Pour in Vermiculite, mixing evenly while dry.
- Pour boiling water directly over the mix and seal immediately.
- Let sit for 6 hours until core temperature cools below 80°F (27°C).
CVG Recipe & Yield Allocation
Total Cake Volume:
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Coco Coir (Dry Weight):
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Vermiculite (Dry Volume):
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Gypsum (Dry Weight):
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Boiling Water Volume:
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Required Grain Spawn:
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Bypass Substrate Prep & Contamination Risk
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