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Welcome back, Hollow Oak Mushroom Co.!

Mushroom farm

Indoor specialty mushroom farm · 9,600 sq ft · Chester County, PA · Blue Oyster, Lion's Mane, Shiitake, Chestnut, King Oyster, Pioppino

94%audit ready
Mushroom GAP (MGAP) audit
Dec 18, 2026 · in 38 days

Readiness by mushroom-specific area

Program details →
Substrate & spawn records100%

Every batch has inputs, supplier lots and spawn lot

Sterilization / pasteurization100%

Cycle record attached to all 13 in-house batches

Listeria EMP92%

1 swab result pending from the lab

Grow-room sanitation90%

Fruiting Room C turnover still open

Pest control100%

Weekly counts logged; 1 threshold exceedance closed

Water100%

Misting & humidifier water tested this quarter

Supplier approval86%

Keystone Feed & Grain organic certificate expires in 21 days

Traceability & mock recall100%

Mock recall in 14 minutes

Worker hygiene & training88%

2 new harvesters need hygiene training sign-off

Blocks on hand
2,139
1017 incubating · 232 ready · 890 fruiting
Harvest, last 7 days
785 lb
Every lot linked to its block batch
Contamination rate
2.5%
Blocks removed, last 14 batches
Listeria swabs negative
99%
8 weeks · 1 Zone 3 positive, closed

Today on the farm

Generated from your EMP schedule, pest program, room turnovers and supplier documents.

Count & replace sticky cards — all rooms
Pest
Today
Swab Zone 1–3 sites (weekly EMP run)
Listeria
Today
Finish Fruiting Room C turnover + ATP check
Sanitation
Today
Request renewed organic cert — Keystone Feed & Grain
Supplier
This week
Hygiene training: 2 new harvesters
Training
This week
Receive 40 King Oyster blocks at Annex (T-0420)
Blocks
Today

Recent activity

Logged by the crew from phones in the grow rooms — works offline.

Harvest lot HO-H1110-PP1 logged — cooled to 36 °F in 31 min
Nadia Park · 12 min ago
Removed 6 contaminated blocks (Trichoderma) from HO-261101-SH
Grace Liu · 48 min ago
New block batch HO-261107-BO — 240 Blue Oyster, steam tunnel 18 h at 212 °F
Eli Brandt · 2 h ago
Fruiting Room A environment check — 61 °F · 91% RH · 740 ppm CO₂
Rosa Medina · 3 h ago
Sold 120 ready Blue Oyster blocks to Ridgeline Grow Kits — batch record shared
Marcus Hale · Yesterday
Fruiting Room C turnover started — 294 spent shiitake blocks to spent pad
Tomás Ortega · Yesterday

Mushroom farms don't run like produce farms

Generic GAP software asks about soil, fields and irrigation. GAP APP's mushroom workflow follows the block — from substrate to the box you ship.

TopicMushroom farm (what GAP APP tracks)
Where it growsClimate-controlled rooms on substrate blocksSee it
What you traceSubstrate lots + spawn lot → block batch → room → flush → harvest lotSee it
Soil & amendmentsSubstrate recipes, supplements, sterilization or pasteurization cyclesSee it
SeedCulture → grain spawn lot, spawn rate, inoculation dateSee it
InventoryLiving blocks by stage (incubating → ready → fruiting), moved, sold and bought between growersSee it
WaterMisting, humidifier and substrate-hydration waterSee it
Pathogen focusListeria environmental monitoring — mushrooms are packed with no wash or kill stepSee it
PestsFungus gnats, phorid flies and mites in growing roomsSee it
Crop changeoverRoom turnover: spent blocks out, wash, sanitize, verifySee it
LossesContaminated blocks — Trichoderma, cobweb, bacterial blotch — recorded and removed fastSee it
AuditMushroom GAP (MGAP), plus SQF or PrimusGFS when a buyer requires GFSISee it

Run your mushroom farm's food safety from one place

Pick "Mushroom farm" when you sign up to turn on block production and block inventory. No credit card required.

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