Mycelocity
Guides
Practical references for growing mushrooms as a business. Each guide is tied to the calculators it supports — read how the numbers work, then run your own.
Understanding Biological Efficiency
What biological efficiency (BE) really measures, why it is quoted against dry substrate weight, and how to read the yield it predicts per block.
BiologySubstrate Moisture & Hydration Basics
How to measure substrate moisture from wet and dry weight, what field capacity means, and why hydration sits upstream of both yield and contamination.
BiologyPreventing and Managing Contamination
The common sources of contamination, how to estimate a realistic contamination rate, and what "effective yield" means once losses are applied.
OperationsCosting a Block: Spawn Rates, Substrate and COGS
What belongs in the cost of a single fruiting block — substrate, spawn ratio, packaging and sterilisation — and how spawn rate trades cost against speed.
EconomicsReading Your Farm's Economics: Margin, Break-even and ROI
How yield and cost become margin, break-even and return on investment — the chain that turns a grow into a business, tied to four connected calculators.