What happens during the weeks after
When drying stops, the material has not finished changing. It enters a phase lasting several weeks, during which its moisture redistributes, some odours disappear and others emerge.
This phase appears on no certificate of analysis. No document indicates how long a batch rested, in what container, at what temperature, or with what frequency of airing. The producer alone knows, and nothing obliges them to say.
It is nonetheless one of the most perceptible differences between two batches of the same variety. This page describes what actually happens during that period, what belongs to physics and what belongs to tradition, how the process is conducted, and what a buyer can infer from it.
⚠️ Scope. This page describes a process and what can be verified from documents. It does not describe what a product does to a person, gives no amounts, and does not replace a healthcare professional.
🔴 What the word covers
The practical definition
A period of rest in a closed container after drying, during which the material is briefly aired at regular and then increasingly spaced intervals.
What it is not
It is not a continuation of drying. Drying moves water out; this phase redistributes it within the material, with no appreciable loss.
The usual duration
Two to four weeks for most of the perceptible benefit. Some producers extend it over months, with diminishing returns.
The origin of the term
The vocabulary is borrowed from other agricultural sectors, notably tobacco and certain charcuterie products, where comparable rest phases have existed for a long time.
Moisture redistribution
The basic phenomenon
A dried flower is not homogeneous. The exterior is drier than the interior, because evaporation happens through the surface.
What happens in a closed container
Water migrates from moist zones toward dry ones until equilibrium. It is simple diffusion, governed by concentration gradients.
The time required
Several days for most of it, several weeks for complete equilibrium on dense flowers. Size and density condition the rate.
The perceptible result
Material that is supple and homogeneous rather than brittle at the surface and damp at the core. It is the most incontestable benefit of the operation.
Why homogeneity matters
For storage
A zone that stays damp at the core of a flower constitutes a starting point for microbiological development, even if the surface appears dry.
For measurement
All contents on a certificate are expressed on a dry basis. Uneven moisture distorts the sampling and therefore the representativeness of the analysis.
For handling
Over-dry material sheds its glands at the slightest contact. Balanced material retains them markedly better.
For use
A regular grind requires material of uniform consistency. The two are directly linked.
What becomes of the volatile compounds
The inevitable loss
Every opening of the container releases part of the compounds accumulated in the headspace. That is the cost of airing.
The claimed gain
Producers describe a disappearance of green and grassy notes, and better legibility of the remaining profile. The observation is consistent from one practitioner to another.
The proposed explanation
The degradation of undesirable compounds, notably those derived from residual chlorophyll, proceeding faster than that of the compounds sought.
The standing of that explanation
Plausible and little documented by published measurements. It is a widely shared field observation rather than an established mechanism.
The chlorophyll question
What is attributed to it
The green, grassy and sometimes bitter notes of a freshly dried flower. The attribution is old and universal in the sector.
What is established
Chlorophyll does degrade with time, light and acidity. That is well-known chemistry elsewhere.
What is less so
That its degradation is the principal cause of the perceived change. Other compounds evolve simultaneously.
The caution required
The explanation is coherent and probably partly true. It is repeated with a confidence the published data do not warrant.
🔴 Conducting the process
The first days
Daily opening for a few minutes, to release excess moisture and renew the air. It is the most demanding period.
The following weeks
Spacing increases progressively: every two days, then once a week. The material approaches equilibrium.
The total duration
The point at which benefit stops progressing appreciably sits around three to four weeks according to practitioners.
What ends it
Nothing precise. The producer decides according to stock, order and cash-flow constraints as much as according to the material.
The role of relative humidity
The target range
Between fifty-eight and sixty-two per cent relative humidity in the container. It is the most commonly cited range.
Above it
Microbiological risk becomes real. The Union regulation on microbiological criteria for foodstuffs sets thresholds only analysis verifies.
Below it
The material becomes brittle, the glands detach, and the phase loses its point since equilibration no longer happens.
Regulators
Membrane sachets hold a target humidity by two-way exchange. They are widely used and considerably simplify the process.
Containers
Glass
The most used: inert, airtight, available in various sizes. Tinted glass adds protection against light.
Metal
Also inert if the surface is properly finished. It has the advantage of being opaque by construction.
Plastic
Some polymers are gas-permeable or release compounds. They are not advised for a prolonged rest.
The fill level
Around three-quarters of the volume. Too full and air does not circulate; too empty and the available oxygen volume is excessive.
Temperature
The usual range
Between fifteen and twenty degrees. It corresponds to a compromise between the speed of the processes and limiting oxidation.
Too warm
Volatile compounds leave faster and oxidation accelerates. The sought benefit is cancelled by the loss.
Too cold
Processes slow considerably. It is not harmful but it lengthens the duration without particular advantage.
Stability
It matters as much as the value. Large variations cause condensation inside the container.
Oxygen and its two faces
What it permits
Some of the transformations described are oxidations. Without oxygen they would not occur.
What it costs
It also degrades the compounds sought. The CBN row on a certificate measures precisely that degradation.
The trade-off
That is exactly the compromise of this phase: enough oxygen for the transformations to occur, not enough for degradation to dominate.
What sets it
Airing frequency and residual air volume. Two parameters the producer controls and which appear nowhere.
Alternatives without oxygen
Vacuum sealing
It removes oxygen and therefore oxidation. It also removes the transformations this phase seeks.
Modified atmosphere
Some producers use nitrogen to store after the rest period ends. That is preservation, not maturation.
The difference
Preserving means stopping time. The phase described here consists precisely of letting it act in a controlled way.
Combined use
Rest in an aired container, then storage under controlled atmosphere. It is the most technically coherent sequence.
What microbiological risk imposes
The real danger
Excessive moisture in a closed container creates conditions favourable to mould development. It is the principal risk of the operation.
What announces it
A smell of stuffiness, cellar or ammonia. It appears before anything is visible to the naked eye.
What confirms it
A microbiological analysis. The European regulation defines criteria that only measurement allows to be verified.
The rule of caution
A suspect batch cannot be salvaged. That is why many producers prefer to skip this phase.
Why many producers do without it
The cost of immobilisation
Several weeks of immobilised stock represents a real cash-flow cost, particularly for a small structure.
The monitoring
The process requires regular openings and humidity control. It is working time that cannot be invoiced.
The risk
A batch lost to excess moisture costs far more than the benefit hoped for on the successful ones.
The absence of valorisation
No document attests that the operation was performed. A producer who practises it cannot prove it, and a competitor can claim it without doing it.
What a buyer can perceive
The smell
Rested material smells rounder and less green. The difference is clear when comparing two batches side by side.
The suppleness
A flower that bends slightly without crumbling, and partly recovers its shape, indicates correct equilibration.
The appearance
Material homogeneous in colour and consistency, without dry zones or soft ones.
The limits of these indications
None proves the duration of the rest. They indicate a state, not a process, and that state can have other causes.
What no document says
The duration
No certificate and no label indicates how long a batch rested. The information does not exist in the documentary chain.
The container
Neither its nature, nor its volume, nor its fill level. These are nonetheless determining variables.
The conditions
Temperature and humidity during the period, frequency of airings. None of it is recorded.
The consequence
It is the principal documentary blind spot of this sector, on a stage that strongly influences perceived quality.
What the certificate captures anyway
Water content
Some reports include a moisture measurement. It informs indirectly about the state of equilibration at the time of sampling.
The CBN row
It measures oxidative degradation and gives an indication of elapsed time and storage conditions.
Microbiology
Where it appears on the report, it attests that no problematic development occurred up to the analysis.
The date
It is the most useful element. A large gap between the analysis date and the purchase date leaves an undocumented period.
How to compare two batches
The same producer
Comparing two successive batches from the same supplier partly isolates the effect of the process, since genetics and cultivation are close.
The indications to keep
Smell, suppleness, homogeneity. Three observations taking a minute and worth writing down.
What the comparison establishes
A perceived and dated gap. It does not prove a rest duration, but it documents a supplier’s consistency.
The direct question
Asking the seller how long the batch rested. The precision of the answer is itself information.
Common errors
Confusing it with drying
They are two distinct operations with opposite objectives: removing water on one side, redistributing it on the other.
Believing prolonged rest improves indefinitely
Beyond a few weeks oxidative degradation outweighs the benefit. The curve is not monotonic.
Neglecting humidity
It is the critical parameter. An error of ten points of relative humidity turns a useful operation into a microbiological risk.
Taking a claim for a fact
No document attests the operation. A commercial assertion on this point is unverifiable by construction.
What other sectors learned first
Tobacco
The rest phase has been formalised there for centuries, with durations, temperatures and humidity levels codified by leaf type. It is the sector whose vocabulary was borrowed most directly.
Tea
Some categories undergo controlled rest phases in which oxidation plays a central part. The parameters are documented and the results reproducible from one production to the next.
Cocoa
The fermentation and then drying of beans follow precise protocols, whose variations are measurable directly in the finished product. That sector built shared reference standards.
What the comparison teaches
In each of those cases a mature sector eventually codified what began as tacit know-how. Here that codification has not happened, and the absence of a shared reference explains much of the gap between producers.
The benefit curve
The initial rise
The first days produce most of the moisture equalisation effect. It is the phase where the ratio of time invested to result obtained is most favourable.
The plateau
Between two and four weeks, perceptible changes slow markedly. The material has reached most of its equilibrium state and chemical transformations progress slowly.
The decline
Beyond that, oxidative degradation begins to dominate. Volatile compounds continue leaving at every airing, with no compensating gain appearing.
What the shape of that curve implies
There is an optimal duration, and extending indefinitely is not perfectionism but an error. The most experienced producers place that point around three weeks for most material.
What density changes about the process
Dense flowers
They retain moisture at the core far longer than at the surface. Equalisation takes more time there and the internal microbiological risk is higher.
Airy flowers
Moisture distributes faster, and the preceding drying was already more even. The rest phase brings proportionally less.
The practical consequence
The same duration applied to two different morphologies does not give the same result. A producer growing several varieties must adapt, and many do not.
The check available
Open, press gently, smell. A dense flower keeping suppleness at the core while its surface is dry has not finished equalising.
The case of small flowers
A larger relative surface
Relative to their volume, small flowers offer a greater exchange surface. They dry faster and equilibrate faster.
The over-drying risk
Treated with the same duration as large ones, they end up too dry and shed their glands at the slightest contact. It is a frequent error on mixed batches.
Prior sorting
Separating calibres before the rest phase allows the duration to be matched to each. It is an additional operation that few producers perform.
What this explains
A batch mixing several calibres almost always shows an unevenness of consistency. It is perceptible by touch and visible on opening the bag.
Condensation and its damage
Where it comes from
A temperature variation takes the container air below its dew point. Water then deposits as droplets on the walls and on the material.
The typical circumstances
A container taken from a cool place into a warm room, or the reverse. Storage near a window exposed to direct sun produces the same effect daily.
What it causes
Locally saturated zones where microbiological development becomes possible within days, even if the average humidity of the container remains correct.
The parade
A stable temperature, and letting a container equilibrate thermally before opening it. Two precautions that cost nothing and avoid the principal cause of loss.
Tracking by weight
The principle
Weighing the container and its contents at regular intervals documents the residual water loss. The stabilisation of the weight indicates equilibrium has been reached.
What the method provides
An objective figure where everything else rests on perception. It requires a balance accurate to a tenth of a gram, which remains accessible.
Its limit
It measures a mass, not a distribution. Material can have a stable weight and remain heterogeneous inside.
Its actual use
Little used by small producers, common in structures handling substantial volumes that need reproducible criteria.
Hygrometers and their reliability
The usual models
Small electronic devices placed in the container display the relative humidity of the headspace. Their cost is low and their use has become general.
The calibration question
Many drift over time and display values off by several points. A gap of five points is enough to move from the right side of the threshold to the wrong one.
The check available
A saturated salt test allows a device’s accuracy to be verified at a known point. The operation takes a few hours and is rarely performed.
What to take from it
A displayed figure without verified calibration is an indication, not a measurement. The difference matters precisely in the range where microbiological risk begins.
What industrial scale imposes
The volume problem
What works in a one-litre jar does not transpose to a crate of several dozen kilograms. Internal gradients become considerable.
The solutions used
Controlled-atmosphere chambers, mechanical tumbling, distributed sensors. These are heavy investments, reserved for substantial operations.
The frequent compromise
Many medium-sized productions shorten the duration to limit immobilisation and risk, accepting a less accomplished result.
What this means for the buyer
An artisanal producer and an industrial one do not face the same constraints. Neither has a systematic advantage, and both can do well or badly.
Resting after purchase
What remains possible
Purchased material can continue evolving in a closed container, if its humidity is correct and the container suitable. The process does not stop at the sale.
What has already been lost
Transport, distributor storage and packaging have already consumed part of the potential. A harsh dry is not recovered.
The useful gesture
Decant on arrival into a tinted glass container with a humidity regulator, and let it rest before judging. A few days often change the impression.
The honest limit
Material that is too dry does not rehydrate properly. Reintroduced water does not distribute as water that never left, and the result is rarely satisfactory.
What the available literature establishes
The existing work
A few studies address the evolution of cannabinoid and terpene contents during storage. They document a decline and its dependence on temperature and light.
What they do not cover
The comparison between material that underwent a conducted rest phase and material packaged directly. That experiment is practically unpublished.
Why that gap exists
Standardising the protocol requires fixing the variety, the drying, the humidity, the container and the assessment criterion. Each of those points is a difficulty in itself.
The honest position
The benefit on moisture equalisation is physics and is not disputable. The benefit on the aromatic profile rests on shared observation rather than on published measurement.
Commercial claims about it
What appears
Stated durations, sometimes precise to the day, presented as a mark of superior quality. They appear more and more often on product listings.
What makes them unverifiable
No document attests the operation. Neither the certificate of analysis nor the mandatory labelling particulars contain a corresponding field.
How to assess them
By setting the claim against the actual state of the material: suppleness, homogeneity, absence of aggressive green notes. The consistency between the two is the only check available.
The useful signal
A seller who describes their process with plausible orders of magnitude and acknowledges they cannot prove it deserves more credit than one displaying an in-house certification.
What regulation imposes regardless
The general safety obligation
The regulation laying down the general principles of food law requires that food placed on the market be safe. Contaminated material cannot be marketed.
Microbiological criteria
The dedicated regulation defines thresholds applicable by food category. They constitute the reference in case of doubt about a batch.
Traceability
Every operator must be able to identify their suppliers and their business customers. The batch number is what makes that chain operative.
What this does not cover
The conduct of the process. No obligation bears on the rest duration or on the conditions in which it takes place.
The link with price
What the operation costs
Immobilised stock, monitoring, risk of loss, suitable storage space. These are real and far from negligible costs for a small structure.
What it earns
Nothing directly invoiceable, since nothing attests it. A producer can only valorise it through the satisfaction of regular customers.
The asymmetry that results
A producer who practises it bears a cost they cannot prove, while a competitor can claim it without bearing it. It is a configuration unfavourable to quality.
What partly corrects it
The loyalty of regular buyers, who perceive the difference from one batch to the next. It is the only mechanism rewarding the operation, and it is slow.
The first days in detail
Why they are the most demanding
The material is still releasing water, and a closed container saturates quickly. Without daily airing the humidity climbs into the range where development becomes possible.
What is done
The container is opened for a few minutes, the material is gently moved to expose different surfaces, and it is closed again. The operation takes moments and cannot be skipped.
The signal to watch
A smell of stuffiness on opening indicates the humidity is too high. It is the earliest available detection and it requires no instrument.
What follows if it is ignored
Development establishes at the core of the densest structures within days. Once started, no adjustment of the container reverses it.
Airing frequency over time
The first week
Daily, for a few minutes. The material is releasing the most water and the risk is highest.
The second and third
Every two or three days, then twice a week. The moisture gradient is flattening and the need diminishes.
Beyond
Once a week at most, then only occasionally. At this point the container is essentially in storage rather than in process.
What determines the transition
The stability of the hygrometer reading between openings. Once it stops climbing after closure, the material has stopped releasing water.
What producers disagree about
The optimal duration
Estimates range from two weeks to several months, with the arguments on both sides being experiential rather than measured.
The airing frequency
Some argue for more frequent and briefer openings, others for fewer and longer ones. Neither camp can point to comparative data.
The container material
Glass dominates, and metal has advocates. The arguments concern inertness and light, and both are sound.
What the disagreement indicates
A practice built on accumulated experience without a shared measurement framework. It is the ordinary condition of a craft that has not been formalised.
Where the practice came from
The amateur origin
Like the trichome criterion, this practice established itself in amateur growing circles and spread by repetition rather than by validation.
The professional adoption
When cultivation became structured, the practice came with it. Producers trained in that setting brought it into operations equipped with measuring instruments.
What that persistence suggests
A practice surviving professionalisation is generally doing something useful. That does not make the explanations attached to it correct.
The gap that remains
Between a practice that works and an understanding of why it works. The first is established and the second is largely assumed.
What a buyer inherits
The state on arrival
The result of the whole chain: growing, harvest timing, drying, resting, packaging, transport. None of it is separable after the fact.
What can still be influenced
Everything from delivery onward. The container, the place and the opening frequency are the buyer’s, and they determine the rate of decline from that point.
What cannot
Anything upstream. A batch that was never rested arrives as a batch that was never rested, and no domestic process substitutes for it.
The one useful action
Decant on arrival into a proper container and let it settle for a few days before forming a judgement. On material that travelled poorly, that alone changes the impression.
The reserve sample, applied here
Why it matters for this question
A rest phase continues after purchase. Without a fixed reference point there is no way to tell whether material improved, declined or stayed the same.
How to set it up
A few grams in a small sealed opaque container, put aside at the moment of opening and not touched afterwards. It costs a jar and a minute.
What it establishes
A direct comparison weeks later, between the working material and its state at arrival. It is the only measurement available to a buyer.
Its limit
The reserve ages too, more slowly. After several months it is no longer a faithful witness of the starting point.
What good practice would look like documented
The fields that would matter
Rest duration, container type, target humidity, airing schedule, and the temperature range maintained. Five fields.
Why nobody records them
No obligation, no commercial demand, and no mechanism by which a recorded figure would be worth more than a claimed one.
What would change if they did
Batch-to-batch comparison would become possible, and a producer’s consistency would become visible rather than inferred.
The realistic assessment
It will not happen until buyers ask often enough that the absence becomes a commercial disadvantage. That is how the terpene profile became common.
The comparison that reveals a supplier
The method
Buy the same reference from the same seller twice, several weeks apart, and compare the two on smell, suppleness and homogeneity.
What consistency indicates
A producer whose successive batches resemble each other has a process rather than a habit. That is the strongest available signal.
What variation indicates
Either genuine batch variation, which is normal, or an unstable process. Distinguishing them requires more than two purchases.
Why this beats any claim
Because it measures what actually arrives, repeatedly, rather than what is said about how it was made.
What ends the process
The commercial reality
The rest period ends when the material is needed for an order. That is the honest answer and it applies to most producers.
What ends it technically
The point at which the hygrometer reading has been stable for a week and the aroma has stopped changing between openings.
The gap between the two
It is where most of the variation between producers sits. Not in knowledge of the process but in whether commercial pressure allows it to complete.
What a buyer can infer
Nothing directly. But a producer who describes waiting for stability rather than quoting a fixed number is describing the technical criterion rather than the schedule.
The chemistry that is actually established
Slow decarboxylation
At ambient temperature a small fraction of the acid forms converts to neutral forms over weeks. This is measurable, it appears on a certificate as a shifted ratio, and it is the least disputed chemical change of the period.
Terpene redistribution
Volatile compounds move between the material and the headspace until a partial equilibrium is reached. Each airing resets that equilibrium and removes some of what had accumulated.
Oxidative progression
The CBN row rises slowly throughout. It is the same reaction that runs during storage, at the same rate, and the rest phase does not pause it.
What is not established
That any of these changes accounts for the improvement practitioners describe. The chemistry is documented; the connection to the perceived result is inferred.
The moisture gradient in numbers
What a dense flower looks like internally
Surface moisture equilibrates with the surrounding air within hours. The interior of a dense inflorescence can take days to a fortnight to follow.
Why the gradient matters
Because water activity governs microbiological risk, and it is the local value that counts rather than the average. A container reading correctly can hold material whose core does not.
What airing achieves
It removes the moisture that has migrated to the surface and to the headspace, allowing the gradient to continue driving water outward from the core.
Why closing again matters
Because with the container open the surface dries faster than the core can supply, and the crust problem from drying reappears in miniature.
Where this leaves the whole chain
The sequence
Harvest timing, drying, resting, trimming, packaging, transport, storage. Seven stages, of which the certificate documents the composition at one point and nothing else.
What the buyer can assess
The state on arrival, by smell, touch and appearance. That is the cumulative result of all seven and it cannot be decomposed.
What the buyer can control
The eighth stage, which is their own storage. It is the only one entirely theirs and it determines everything that happens afterwards.
The honest summary
Most of what determines quality happened before purchase, is undocumented, and can only be inferred. That is the situation, and knowing it is better than assuming otherwise.
What a curious buyer can try
The two-jar experiment
Split a purchase between two containers, rest one with a humidity regulator and leave the other as it arrived, and compare after three weeks.
What it demonstrates
Whether the material had finished equilibrating when it was sold. On a batch rested properly by the producer, the difference will be small.
What it cannot demonstrate
Anything about the aroma benefit producers describe, because the material has already passed through the phase where that would have happened.
Why it is worth doing once
Because it converts an abstract question into a personal observation, and because the answer is occasionally surprising.
Why this stage is argued about more than any other
The absence of a measurement
Every other stage leaves something behind. Harvest timing shifts the acid-to-neutral ratio, drying shows in the aroma, trimming is visible on the flower. This one leaves a state that has several possible causes.
The consequence for debate
Practitioners argue from experience, and experience on a variable nobody measures converges slowly. Two producers with thirty years each can hold opposite positions and neither can settle it.
Why the arguments are nonetheless worth reading
Because the convergence on the physical part is genuine. Everyone agrees on the humidity range, on the early airing frequency and on the risk of getting it wrong. The disagreement sits entirely in the aromatic claim.
What that division tells you
The parts everyone agrees on are the parts with a physical mechanism behind them. The parts that are argued over are the parts resting on perception. That is a useful line to hold when reading anything about this stage.
The one thing worth remembering
If nothing else
The humidity range is the part that matters and the part everyone agrees on. Between fifty-eight and sixty-two per cent relative humidity, material is stable, safe and handles well. Outside it, one direction costs quality and the other creates risk.
Why that single fact carries most of the value
Because it is actionable by anyone, it requires a container and a regulator sachet costing very little, and it applies identically to a producer’s curing jar and to a buyer’s storage jar weeks later. The rest of this page is context for that one number.
A short glossary
Headspace
The volume of air above the material in a closed container. It concentrates the volatile compounds.
Relative humidity
The ratio between the water vapour present in air and the maximum at the same temperature, expressed as a percentage.
Humidity regulator
A membrane sachet that absorbs or releases water vapour to hold a target relative humidity in a closed container.
Diffusion
The spontaneous migration of a substance from zones of high concentration toward zones of low concentration, until equilibrium.
Modified atmosphere
Replacing the air in a package with an inert gas, generally nitrogen, to limit oxidation.
The five checks that apply to any product
The batch certificate
Request it with the number printed on the packaging. A general document for the product line does not cover this batch, and those differences are exactly what it should record.
Total THC
Delta-9-THC plus THCA multiplied by 0.877, because THCA becomes THC under heat and the limit applies to the sum, not to either value alone.
Price per milligram
A division, not an opinion. The only figure that makes two products comparable, whatever the format, process and pack size.
The claims
Without an authorisation number in the EU Register these are assertions, not data — and for cannabidiol that register contains no authorised entry to this day.
The seller’s details
Company name, address and contact. Without them there is also no counterparty to turn to if something turns out to be wrong.
How this connects to the rest
With drying
One precedes the other and conditions it. A harsh dry leaves material that rest does not repair.
With storage
The same parameters recur: container, humidity, temperature, light. The difference lies in the intention.
With the CBN row
It measures cumulative degradation. On a long-rested batch it will mechanically be higher than on one despatched immediately.
With olfactory assessment
It is the dimension where the effect is most perceptible. The nose detects what no document records.
What this is for in practice
To judge a batch
Suppleness, homogeneity and absence of aggressive green notes. Three observations that orient without proving.
To ask a question
How long the batch rested, and in what container. The precision of the answer distinguishes a producer from a reseller.
To store it yourself
The same principles apply after purchase: suitable container, controlled humidity, spaced openings.
Not to over-read
Well-equilibrated material may be so without a prolonged rest. The observed state does not demonstrate the process.
Frequently asked questions
What is curing in the jar? A rest phase in a closed container after drying, with regular airings, during which moisture equilibrates.
How long does it last? Two to four weeks for most of the benefit. Beyond that, oxidative degradation progressively outweighs it.
Is it a continuation of drying? No. Drying moves water outward; this phase redistributes it within the material.
What humidity should be aimed for? Between fifty-eight and sixty-two per cent relative humidity. Above that, microbiological risk becomes real.
Why air the container? To release excess moisture and renew the oxygen needed for the transformations sought.
Does the certificate mention this stage? Never. Neither duration, nor container, nor conditions appear in the documentary chain.
How can it be perceived on a product? A rounder smell, suppleness under pressure and homogeneity of consistency. These are indications, not proofs.
Why do some producers skip it? Immobilisation cost, monitoring time and risk of loss. No document valorises the operation.
Is a longer rest always better? No. Beyond a few weeks the oxidative loss exceeds the equilibration benefit.
Does vacuum sealing replace this phase? No. It removes oxygen and therefore the transformations sought. That is preservation, not maturation.
What we check and what we do not
We check what can be checked from documents: official registers, declared contents, certificates of analysis, arithmetic. We test no products, rank nothing, and assert no effects.
This stage presents an unusual combination: it is unanimously described as decisive by those who produce, it is perceptible to any attentive buyer, and it appears absolutely nowhere in the documents accompanying a product. A producer who practises it can prove nothing, and one who does not can claim everything.
What remains verifiable is therefore indirect: the state of the material on arrival, a supplier’s consistency from batch to batch, and the precision of their answers when the question is put. Three weak signals, which are better than no signal at all.