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Temperatur- og fuktighetsveiledning for lagring av cannabis
storage-preservationBeginner

Temperatur- og fuktighetsveiledning for lagring av cannabis

9 min readUpdated: 8. des. 2025
Lisa Thompson

Lisa Thompson

Storage & Preservation Specialist

Temperatur- og fuktighetsveiledning for lagring av cannabis

Temperatur og fuktighet er de to mest kritiske miljøfaktorene som påvirker cannabiskvaliteten under lagring. Å forstå hvordan man kontrollerer disse elementene kan bety forskjellen mellom frisk, potent blomst og tørr, nedbrutt cannabis. Denne omfattende veiledningen forklarer vitenskapen og praksisen med optimale lagringsforhold.

raskt svar

Ideelle lagringsforhold for cannabis: temperatur mellom 15-21°C (60-70°F), relativ fuktighet mellom 58-62%. Temperaturer over 77°F akselererer THC-nedbrytningen; fuktighet over 65 % fremmer mugg. Bruk fuktighetspakker (Boveda eller Integra) i lufttette beholdere, oppbevar på kjølige mørke steder og overvåk med et hygrometer.


Hvorfor temperatur og fuktighet betyr noe

Hva skjer med cannabis over tid

Cannabis er et organisk materiale som brytes ned gjennom flere prosesser:

Oxidation: Eksponering for oksygen bryter ned THC til CBN (mindre psykoaktivt)

lyseksponering: UV-stråler bryter ned cannabinoider og terpener

varmeskader: Høye temperaturer akselererer alle nedbrytningsprosesser

Fuktighetsproblemer: for tørr = sprø trikomer; for våt = muggrisiko

Riktig temperatur og fuktighetskontroll bremser alle disse.


Vitenskapen om nedbrytning av cannabis

temperatureffekter

temperatureffekt på cannabis
Below 55°Ftrikomer blir sprø, kan knipse av
55-65°FLitt nedbremsing av herding, kald, men trygg
60-70°FOptimal - minimal nedbrytning
70-77°Fakseptabel kortsiktig, liten akselerasjon
Above 77°Frask THC-nedbrytning, terpenfordampning
Above 90°Falvorlig skade, muggrisiko øker betydelig

Kritisk temperatur: 77°F (25°C) er der nedbrytningen akselererer merkbart.

fuktighetseffekter

relativ fuktigheteffekt på cannabis
Below 45%ekstremt tørr, trikomer sprekker, hard røyk
45-55%tørre, reduserte terpener, akseptabel kortsiktig
58-62%Optimal - frisk, smidig, smakfull
62-65%Øvre akseptabelt område, overvåk nøye
Above 65%Muggrisiko begynner, spesielt ved varme temperaturer
Above 75%høy muggrisiko, nesten sikker om den er langvarig

målfuktighet: 58 % for tørrere preferanse, 62 % for mer fuktighet.


Forstå relativ fuktighet

Hva er relativ fuktighet?

Relativ fuktighet (RH) måler hvor mye vanndamp som er i luften sammenlignet med det maksimale det kan holde ved den temperaturen.

Nøkkelkonsept: Varmere luft holder mer fuktighet. Så samme mengde vanndamp avleser som lavere RF under varme forhold, høyere RF under kalde forhold.

Dette er grunnen til at temperatur og fuktighet er koblet sammen - you can't control one without affecting the other.

Hvorfor 58-62% er sweet spot

Below 58%:

  • Cannabis blir sprø
  • Trikomer sprekker og faller av
  • Hard, varm røyk
  • Terpener fordamper
  • Papiret fester seg ikke godt (for rulling)

Above 62%:

  • Muggsporer kan spire
  • Cannabis blir for fuktig
  • ujevn brenning
  • kan "gjenkvåt" og trenger gjenherding


metoder for fuktighetskontroll

toveis fuktighetspakker

hva de er: Pakker som inneholder saltløsninger som enten frigjør eller absorberer fuktighet for å opprettholde spesifikke RH-nivåer.

Populære merker:

  • Boveda: industristandard, presis kontroll
  • Integra Boost: Lignende teknologi, fargeindikator

Hvordan de jobber:

  • Ved 62 % RF-pakke i miljø med lav luftfuktighet: frigjør fuktighet
  • Ved 62 % RF-pakke i miljø med høy luftfuktighet: absorberer fuktighet
  • opprettholder likevekt ved mål RH

Sizes:

  • 1g pakker: små krukker (1/8 oz)
  • 4G-pakker: Medium krukker (opptil 1/2 oz)
  • 8G-pakker: store krukker (opptil 1 oz)
  • 67g pakker: humidorer og bulklagring

Når skal man erstatte: Når pakken føles hard/sprø i stedet for myk. vanligvis 2-4 måneder.


Alternative fuktighetsmetoder

DIY-alternativer (less precise):

sitrusskall: Tilfører fuktighet raskt, men risikerer mugg. Kun for kortsiktige (timer).

salatblad: Ligner på sitrus - rask løsning, ikke langsiktig løsning.

destillert vann i en liten beholder: kan jobbe i humidorer, krever overvåking.

anbefaling: Toveis fuktighetspakker er rimelige og pålitelige. Bruk dem.


Temperaturkontrollmetoder

Stedsvalg

Beste lagringssteder:

  • Innvendige skap (stabil temperatur)
  • Kjeller (hvis tørr og konsekvent)
  • Skap vekk fra hvitevarer
  • kommodeskuff

Avoid:

  • Nær vinduer (temperatursvingninger)
  • Nær HVAC-ventiler (tørr luft)
  • Nær ovner/apparater (varme)
  • Garasje (ekstrem husker)
  • Kjøleskap (se nedenfor)

kjøleskapsspørsmålet

Vanlig myte: Oppbevaring av cannabis i kjøleskapet holder den frisk.

Reality: Kjøleskap er problematiske fordi:

  • Humidity levels are often 30-40% (too dry)
  • Temperature fluctuates when door opens
  • Condensation when removed can add unwanted moisture
  • Strong food odors can absorb into cannabis

Freezer: Even worse - trichomes become brittle and snap off when frozen, handling causes significant loss.

Verdict: Room temperature in proper container beats refrigeration for most situations.

When Refrigeration Makes Sense

Exception: Very long-term storage (6+ months) in vacuum-sealed containers may benefit from cool temperatures. But this is for bulk storage, not regular use.


Monitoring Your Environment

Hygrometers

What they measure: Relative humidity (and usually temperature)

Types:

Digital hygrometers ($5-20):

  • Accurate to ±3-5% typically
  • Easy to read
  • Battery-powered
  • Some have min/max memory

Analog hygrometers ($3-15):

  • Less accurate (±10%)
  • Need calibration
  • Slower to respond
  • Can be unreliable

Mini hygrometers ($3-8):

  • Fit inside jars
  • Small display
  • Basic but functional

Recommendation: Get a digital mini hygrometer for each storage jar. They're cheap and invaluable.

Calibrating Your Hygrometer

Salt test method:

1. Place hygrometer in sealed container with salt/water slurry

2. Wait 8-12 hours

3. Should read 75% RH

4. Note the difference for offset

Most cheap hygrometers are off by 2-5%. Knowing your offset improves accuracy.


Optimal Storage Setup

The Complete System

Container: Airtight glass (Mason jar, CVault, etc.)

Humidity control: Boveda or Integra pack sized for container

Monitoring: Mini hygrometer inside or visible through glass

Location: Cool, dark, stable temperature spot

Light blocking: Amber glass or opaque container, or dark storage location

Setup Checklist

1. Choose appropriate container size (don't store small amounts in huge jars)

2. Add humidity pack rated for your preference (58% or 62%)

3. Place hygrometer inside or use lid with built-in display

4. Store in location with stable temp (60-70°F)

5. Check weekly for first month, then monthly


Seasonal Considerations

Summer Storage

Challenges:

  • Higher ambient temperatures
  • Air conditioning can over-dry
  • Power outages risk heat exposure

Solutions:

  • Store in coolest part of home (basement, interior closet)
  • Add extra humidity pack if AC runs constantly
  • Consider sealed container in cooler for outages (not frozen)

Winter Storage

Challenges:

  • Heating systems drastically reduce indoor humidity
  • Homes often 25-35% RH in winter
  • Cold rooms near exterior walls

Solutions:

  • Humidity packs work overtime - replace more frequently
  • Keep away from heaters and radiators
  • Consider adding room humidifier near storage area


Signs of Environmental Problems

Signs of Too Dry Storage

  • Cannabis crumbles instead of breaking
  • Harsh smoke that hurts throat
  • Visible trichome dust in container
  • Papers won't stick to cannabis
  • Brittle, brown appearance

Signs of Too Humid Storage

  • Cannabis feels damp or spongy
  • Visible white fuzz (mold)
  • Ammonia or musty smell
  • Won't grind properly (sticks)
  • Extended burn time, uneven burn

Signs of Heat Damage

  • Brown color development
  • Loss of aroma
  • Dry despite humidity control
  • Reduced potency
  • "Hay" smell developing


Recovery Strategies

Rehydrating Overly Dry Cannabis

With humidity pack:

  • Add 62% Boveda to container
  • Seal and wait 24-48 hours
  • Check and repeat if needed
  • Works well for moderate drying

Note: Terpenes lost to evaporation can't be recovered. Rehydration restores moisture, not original quality.

Dealing with Too-Humid Cannabis

Quick dry:

  • Remove from container
  • Leave exposed for 30-60 minutes
  • Return to container with 58% pack
  • Monitor closely

If mold suspected: Discard. Mold spreads microscopic spores throughout. Not worth the health risk.


Long-Term Storage (6+ Months)

Special Considerations

For extended storage, extra precautions help:

Vacuum sealing: Removes oxygen, slows oxidation significantly

Larger humidity packs: Won't run out during long storage

Cooler temperatures: 60-65°F better than 70°F for long-term

Minimal opening: Each opening introduces fresh oxygen

Separate containers: Don't store month's supply with year's supply

Expected Degradation Timeline

Storage Quality6 Months12 Months24 Months
Poor (hot, dry)25-50% potency lossSignificantly degradedEssentially worthless
Average (room temp, no humidity control)10-20% loss25-40% loss50%+ loss
Optimal (controlled)5-10% loss10-15% loss15-25% loss

Common Mistakes

Mistake 1: Using Too Large a Container

Problem: Large air space means more oxygen, faster degradation

Fix: Use container sized for your quantity (2/3 full ideal)

Mistake 2: Storing Near Heat Sources

Problem: Even proximity to electronics, appliances raises temp

Fix: Audit your storage location with thermometer over 24 hours

Mistake 3: Opening Frequently

Problem: Each opening replaces humid air with ambient (often drier)

Fix: Keep daily-use stash separate from bulk storage

Mistake 4: Ignoring Humidity Pack Life

Problem: Dead packs don't control humidity

Fix: Check monthly, replace when hard/crunchy

Mistake 5: Combining Different Humidity Needs

Problem: Different strains may prefer different RH

Fix: Store separately, especially indica (often prefers drier) vs sativa


Frequently Asked Questions

Q: Can I use a cigar humidor for cannabis?

A: Yes, but traditional humidors target 70% RH (too high for cannabis). You can replace the humidification device with Boveda packs and it works well. Avoid cedar-lined versions - the wood oils can transfer flavor.

Q: How do I know if my humidity pack is working?

A: It should feel soft and pliable. When it's hard or crunchy, it's exhausted. The Integra Boost packs have a color indicator that shows when replacement is needed.

Q: Is 55% humidity safe for cannabis?

A: 55% won't cause mold but is on the dry side. You may notice slightly harsher smoke and less pronounced aroma. 58% is generally considered the minimum for quality preservation.


This guide is for educational purposes. Cannabis laws vary by jurisdiction. Proper storage helps maintain the quality of legally obtained cannabis products.

Frequently Asked Questions

Yes, but traditional humidors target 70% RH (too high for cannabis). You can replace the humidification device with Boveda packs and it works well. Avoid cedar-lined versions - the wood oils can transfer flavor.

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