Sample data pre-filled — a 5lb dry shiitake block on master's mix at typical BE. Replace with your block specs.

Your block

Pick species, substrate, and block weight. Yield + cost + revenue compute on the right.

Longer incubation (60–90 days). More even flush distribution than oyster.

Industry standard for shiitake, king oyster, lion's mane. Requires sterilization.

lb
65%
$

5–10% spawn rate × $4–8/lb commercial grain spawn = typically $2–5/block.

$
$/hr
$

Steam, electricity, room rent, depreciation per block.

Pricing (optional)

$
$

How many blocks you fruit per cycle (typically monthly for oyster, 6-week for shiitake).

Block economics

Yield, cost, and revenue for one block at the configured BE.

Total yield per block
3.25 lb
at 65% BE on 5.00 lb dry substrate
Profit per block (retail)
$42.32
at $16.00/lb retail

Cost per block

Substrate (5.00 lb × $0.50/lb)
$2.50
Spawn
$3.00
Bag + supplies
$0.50
Labor (8 min × $22.00/hr)
$2.93
Overhead (steam, electricity, room)
$0.75
Total cost
$9.68

Revenue scenarios per block

Wholesale (3.25 lb × $8.00/lb)
$26.00
Retail (3.25 lb × $16.00/lb)
$52.00
Wholesale profit
$16.32
Retail profit
$42.32

Flush distribution

Expected mushroom yield per flush
Flush% of totalYield
Flush 145%1.46 lb
Flush 228%14.6 oz
Flush 317%8.8 oz
Flush 410%5.2 oz

Flush distribution: FreshCap commercial-grower averages. Real numbers vary by species, hydration, and pinning trigger.

Per-cycle economics (50 blocks)
Total yield
162.50 lb
Total profit (retail)
$2,115.83

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