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Est. 2026 | Longmont, CO (4,984 ft)
Analytical-Grade
Fruiting Media.
The “Zero Guessing” Standard.
We run deliberately small, tightly documented production. Every unit is sterilized to a calculated F₀ of 120 or greater, verified by continuous thermal integration data, and released only after QA review and Manifest Card sign-off. The scale is tight. The standard is not.
118.3°C
Sterilization Temp
@ 15 PSI / 4,984 ft
+86%
Hold Time at 118.3°C
vs 121°C for Same F₀ Target
F₀ ≥ 120
Calculated Lethality
Per Unit
Start Here
Building Your First Documented Workflow?
The Standard Kit covers the complete sterile media chain in one order: liquid culture expansion, grain colonization, and substrate fruiting. Every component ships with its own Manifest Card and batch QR code so you can trace each stage of your run.
kit · ★ Recommended Entry Point
Standard Cultivation Kit
$60.00
1× Fortified Masters Mix + 1× Mineral-buffered Grain Bag + 1× Analytical LC Broth. Batch-documented workflow set.
Step 01
Expand culture in LC Broth via septum port
Step 02
Transfer to Grain Bag injection port to build spawn
Step 03
Inoculate Masters Mix substrate block to fruit
Why Hobbyist Media Fails.
Three failure modes. None of them are your technique.
01
Incomplete Sterilization
Generic pressure cooker timers ignore altitude. At 4,984 ft, 15 PSI yields 118.3°C — not 121°C. Hobbyist bags sterilized at sea-level protocols at elevation achieve only a fraction of the required F₀. A bag that passed a 90-minute sea-level timer at Longmont altitude has approximately F₀ = 38. The target is 120. The math is not optional.
02
Inconsistent Hydration
Field capacity is a range, not a number. Bags batch-prepared without gravimetric verification drift between runs. A bag hydrated to 60% can drift to 54% or 66% depending on storage time and conditions. You cannot inoculate consistently into an unknown moisture variable and attribute failure to contamination. To control evaporative drift across 0.5-micron filter patches, substrate is released on a strict freshness window and not shipped beyond 14 days from bagging. Moisture content is logged at bag assembly for every batch we produce.
03
No Chain of Custody
The issue is not convenience. It is decision-grade traceability. Without a documented chain of custody, there is no way to audit run parameters, timing, operator sign-off, and batch outcomes when performance drifts. For growers who value first-pass reliability over shortcuts, reproducibility is the product. Every bag we ship carries a Batch ID, a signed Manifest Card, and a QR link to that run's thermal integration record so each unit can be traced to specific process data.
The Altitude Compensation Standard.
Most autoclave guidance assumes sea level. We calibrate for 4,984 ft.
The Physics
Sea Level
121°C
Reference temperature
@ 15 PSI
Longmont, CO / 4,984 ft
118.3°C
Actual temp achieved
@ 15 PSI at elevation
Our Hold Window
Product-Specific
Set per material type
and validated to F₀ ≥ 120
At 4,984 ft, atmospheric pressure reduces the boiling point of water. A standard autoclave running at 15 PSI gauge pressure at our elevation reaches 118.3°C — not the 121°C assumed by sea-level timing. Generic 60-90 minute guidance at this elevation does not provide adequate lethality. The calculation is not debatable.
F₀ Calculation
F₀ = ∫ 10^((T − 121) / 10) dt
F₀ is the integrated lethality — the equivalent time at 121°C that achieves the same microbial reduction. Because lethality rate changes at altitude, hold duration is set per product and confirmed by integration against an F₀ target of 120 or greater. Every batch is monitored with a calibrated thermocouple logging at 1-minute intervals. The resulting thermal curve is archived and linked from the batch QR code on the Manifest Card. This is math, not marketing.
QA Release Hold
After every sterilization run, units are held for product-dependent QA observation windows (typically 24-72 hours) before release. Any visual indication of contamination — discoloration, gas accumulation, or turbidity in LC jars — results in full batch rejection. Passing bags are assigned a Batch ID, signed by the operator, and sealed with the wax Manifest Card.
Product Highlights
All products sterilized in the same facility, under the same process controls, documented to the same standard.
Masters Mix
substrate
substrate
5lb Fortified Masters Mix
$28.00
Hardwood pellet + soy hull substrate fortified with gypsum and CaCO3. Hydrated to 60%. Sterilized to F₀ ≥ 120.
NET WEIGHT
5 lb / 2.27 kg
COMPOSITION
Hardwood Pellets + Soy Hulls (1:1)
FORTIFICATION
Gypsum (CaSO4*2H2O) + Calcium Carbonate (CaCO3)
BATCH FORMULA
450g hardwood + 450g soy + 10g CaSO4*2H2O + 10g CaCO3 + 1350g water
Grain Bag
grain
grain
3lb Hydrated Grain Bag
$22.00
Red winter wheat grain with gypsum + CaCO3 mineral buffering at 52% hydration. Sterilized to F₀ ≥ 120.
NET WEIGHT
3 lb / 1.36 kg
COMPOSITION
Red Winter Wheat
FORTIFICATION
Gypsum (CaSO4*2H2O) + Calcium Carbonate (CaCO3)
BATCH FORMULA
653g wheat + 6.5g CaSO4*2H2O + 3.3g CaCO3 + 707g water
LC Broth
liquid-culture
liquid-culture
Liquid Culture Expansion Broth
$18.00
250ml analytical expansion broth with mineral and nutrient fortification. Sterilized at elevation-adjusted hold parameters.
VOLUME
250 ml
FORMULATION
Maltoferm + Dextrose + Soy Peptone + Yeast Extract + KH2PO4 + MgSO4
PER-JAR ACTIVES
2.5g maltoferm + 2.5g dextrose + 0.5g peptone + 0.25g yeast + 0.125g KH2PO4 + 0.05g MgSO4
CONTAINER
Septum-capped mason jar
Standard Kit
kit
kit★ flagship
Standard Cultivation Kit
$60.00
1× Fortified Masters Mix + 1× Mineral-buffered Grain Bag + 1× Analytical LC Broth. Batch-documented workflow set.
INCLUDES
1× Masters Mix + 1× Grain Bag + 1× LC Broth
BATCH MATCHING
Assembled from validated component batches
TOTAL NET WEIGHT
~8.36 lb / 3.79 kg
STERILIZATION TEMP
118.3°C @ 15 PSI
Monthly Kit
kit
kit
Monthly Cultivation Kit
$149.00 / month
1× LC Broth + 3× Grain Bags + 3× Masters Mix. Ships monthly from QA-cleared inventory. Cancel anytime.
INCLUDES
1× LC Broth + 3× Grain Bags + 3× Masters Mix
BILLING
Monthly, cancel anytime
FULFILLMENT
Ships from QA-cleared stock within 3–5 business days of billing
RETAIL VALUE
$168.00
What We Ship
Sterile substrate, grain bags, and liquid culture media built for repeatable cultivation workflows, with batch-level QA records linked to every order.
Validation Surfaces
Documentation, Ledger, and Environmental Transparency.
Pricing claims are paired with process evidence. Review the protocol repository, live environmental status, and the public batch ledger before you order.
Manifest Artifact Preview
Coming soon: a photographed specimen of the physical Manifest Card and wax-seal reference, published once final production imagery is approved.
What Ships With Every Order.
The Artifact — Physical Manifest Card
“Before you discard the packaging, inspect the interior of your shipping box. You will find a heavy Kraft card, sealed with green wax, bearing an archival ink signature and a pH test strip. This is the Manifest Card. It is the physical record of the batch that produced your bag. Do not throw it away.”
Sterile substrate or grain bag, heat-sealed polypropylene
Physical Manifest Card — heavy Kraft paper, green wax seal, archival Pigma Micron signature
pH test strip affixed to Manifest (verify substrate pH on receipt)
QR code on Manifest → Digital Birth Certificate at /batch/[BATCH-ID] (thermal log, F₀ data, operator sign-off)
“Sterilization efficacy is not a matter of opinion. It is a function of temperature, time, and the thermal death kinetics of the target organism. F₀ = 120 means the equivalent of 120 minutes at 121°C. Either you achieved it or you did not. We calculate. We log. We certify.”
— Cynic & Spore Labs | Operator Protocol v1.0
Secure payment via Stripe. Physical goods ship from Longmont, CO.