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How to Store Cannabis Long-Term and Preserve the Freshness
If you have a weed stash you haven't touched for a bit, you may notice the buds getting dryer with time, and smoking them won't get you as high as it did at first. While ageing is inevitable, it can be slowed down with proper preservation. We'll teach you what can harm your buds with age, and how you can preserve them from time and the elements.
Keeping cannabis fresh is simple when you're armed with the right knowledge.
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If you’re the type to buy bud in bulk, or just don’t smoke too often, we can imagine you’ve ended up with old weed on your hands.
You can tell something’s off when you pinch the dried-up, lightweight nugs. You may need something to smoke, but would that old stuff even get you high at all? Even if it did, what would the flavour be like? No matter the answers, you’re most likely wondering how you can stop your weed from getting like that again.
Well, you can’t stop the ageing process, but you can definitely slow it down! Above all, you’ll need to make sure your weed is expertly cured, placed in optimal containers, and stored in a cool room at the proper temperature and humidity.
What Happens When Cannabis Gets Old?
Before we go deeper into that discussion, though, we want to offer you a deeper understanding of what happens when your weed starts to age.
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Lost THC
As weed is exposed to heat, oxygen, and UV light, the cannabinoids within, including THC, will begin to break down. It doesn’t happen too quickly, but the change can become noticeable after a few weeks. It won’t leave you sober, but a joint won’t get you as high as the one you rolled when you first got it.
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Conversion to CBN
As that THC breaks down, it doesn’t just disappear. In fact, it’s converted into another cannabinoid, known as CBN. This cannabinoid has some mild psychoactive properties, but it doesn’t get you high on its own. This conversion mainly occurs when weed is exposed to oxygen and heat, although the process takes time.
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Lost Flavour
Lost THC won’t be the only consequence of keeping your weed in a warm spot. As it gets weaker, it’ll also taste and feel harsher upon smoking. This, of course, is a result of the terpenes drying out over time. Excessive light and moisture will bring about their downfall as well.
Does This Also Happen to CBD-Rich Bud?
If you’re more inclined to smoke CBD-rich strains, you may wonder whether any of this applies to you. Well, since CBD is also a cannabinoid, and since the buds also have terpenes, it too can degrade with age. The high isn’t a factor, but you’ll miss out on the other potential benefits of CBD.
What Causes Weed to Age?
We’ve alluded to certain causes of weed ageing, but let’s go ahead and break the issues down into clear terms.
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Humidity
You have to maintain a very precise balance when it comes to humidity and cannabis. If your storage method introduces too much moisture, you run the risk of mould infestation. If it isn’t humid enough, though, the terpenes and cannabinoids will end up withering away. While they’re quite different outcomes, the unpleasantness is equal between them.
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Temperature
Often going hand-in-hand with excess humidity, high temperatures can hasten the degradation of cannabinoids and terpenes. Generally, you should make sure your weed storage area doesn’t get hotter than 25.5ºC (78ºF). Simply enough, this is because any environment between 25.5–30ºC (78–86ºF) is prime for mildew and mould growth.
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Light
In short, persistent UV light will land a heavy blow on the impact on terpenes, THC, and other cannabinoids. This is especially problematic in tropical areas, where it joins forces with humidity and heat to harm your stash.
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Container Materials
Lastly, while many aren’t even aware of this, your container’s base material can have a direct impact on your weed’s ageing process. See, while many place their weed in plastic containers, the material can cause your stash to “sweat”. This means, as with actual sweating, your plant will release its inner moisture. It’ll end up dry and harsh as a result.
How to Store Your Weed and Keep It Fresh
So, now that you know the enemies, you need to learn how to defend yourself and keep your weed fresh. Thankfully, it’s a fairly simple process, and you may already have everything you need to start storing your weed for a long period of time.
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Proper Curing
Really, the journey to proper cannabis storage begins with the post-harvest curing process. And, funnily enough, it involves maintaining the same sort of optimised environment for your flower. You’ll want to find a cool, dark, and moderately dry spot. Separate the buds, trim off the sugar leaves, and sort your stash into mason jars. Also, note that each jar should only be ¾ full.
With a few weeks of patience, you’ll be rewarded with fresh, smokable flowers. If you really want to ensure freshness, though, you'll want to make sure no excess moisture gets trapped in your curing jars.
To accomplish that, we recommend utilising our specialised RQS Moisture Fighters. These plant-based sachets are designed to rest right in your stash jars, absorbing or releasing moisture according to the conditions. They'll last up to four months, and just one 8g sachet will keep your personal stash fresh. If your jar's a little heftier, there are sachets in sizes up to 67g available as well. Either way, you'll want to select the ones that maintain 58% or 62% humidity. Get the former if you're in a more humid environment, and the latter if you're living in a dry climate.
"But how will I know if the sachet is still working? Do I need to open up the jar to check?". Thankfully, no! They each feature a dot that changes colour depending on their condition, so you'll know exactly when you need to replace them.
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Use Air-Tight Glass/Ceramic Containers or Vacuum Bags
Once your buds have been sufficiently cured, we’d recommend you keep them in their mason jars. Considering how much damage oxygen can do, air-tight containers are the best choice you can make for your weed.
It can’t just be any container, though. As we mentioned before, plastic can actually hasten the ageing process, so Tupperware would be unwise. A glass or ceramic container, however, will keep it safe and fresh.
That being said, vacuum bags are also incredibly effective, as they’re naturally devoid of air.
Download our Pro Growing Guide for comprehensive curing and storage insights—exact humidity targets, container best practices, light-proofing tips, and temperature control strategies that keep your buds fresh for months.
Free Advanced
Growing Guide!
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Keep It Dark
Along with your container of choice being air-tight and glass/ceramic, it should also be opaque. Light can wreak havoc on your cannabis, and blacking out your jars can ensure total safety. Before that, however, you should make sure your curing room is completely dark (with the lights off) to begin with. With blacked-out jars, though, you can turn on the lights to check in without worrying too much.
As it turns out, our specialised RQS Re:stash Jars fulfil every one of the requirements you need your containers to meet. They’re layered with a jet-black silicone sleeve, boast air-tight lids made from hemp, and come in sizes of 4, 8, 12, and 16 ounces.
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Maintain Cool Temperatures
Once you’ve got your buds in their containers, you’ll need to make sure the room stays consistently cool: below 25.5ºC (78ºF) to prevent mould from thriving. Turning it down to 21ºC (70ºF) would be optimal.
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Ensure Clean Storage
Now, with almost everything in order, you just need to make sure things stay clean. Make sure you dust the shelves and jars, along with vacuuming or mopping the floor when needed. In turn, make sure you don’t spend too much time in there, as any dirt you track in will have to be cleaned up later.
Will Weed Stay Fresh When Frozen?
Through all of this, some of you may have been thinking, “I can keep food in the freezer for months, so why don’t I just freeze my cannabis?”. Others amongst you may hear someone suggest that and gag at the thought, thinking it ruins the flowers.
Those in the latter camp, however, may be surprised to learn that you can effectively store your bud in the freezer for 1–2 years. If you go for it, just make sure you’re very careful to avoid touching the buds, as the trichomes (which contain almost all of the resin) will quickly autumn off.
Let them naturally thaw outside the freezer, and note the top layer of the buds may be sub-optimal. The rest of it, however, will be nearly as good as it was one or two years before.
Aged Buds: A New Trend?
To cap off our discussion, we thought we’d take a look at those people fighting against the notion of age being a detriment to cannabis. See, for some people, the curing process is an art form. For lovers of aged weed[1], the prime flavour of a strain emerges with time, and some consider it necessary to wait at least five months after curing before smoking their stash.
This is still a very new school of thought, though. In general, we wouldn’t recommend trying it unless you have lengthy experience with cannabis. Yet, your journey with weed is your own, and we don’t want to stop you from experimenting!
External Resources:
- Estate Aged Cannabis - Swami Select https://swamiselect.com
Disclaimer:
This content is for educational purposes only. The information provided is derived from research gathered from external sources.
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