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Technical advances in cannabis curing focus on water activity and terpene stability

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5 months ago

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Curing is one of those phases of cannabis production that almost everyone agrees is important, but that importance hardly translates into cannabis facilities. It’s understandable that growers want to maximize their canopy space first and foremost. After all, more flowers, more income. However, the irony is that by the time a plant reaches the curing room, most of the money has already been spent. The genetics are locked in, the lights have done their job, the rooms have been marked, the harvest has been carefully handled. And yet, quality is often validated or left behind.

Simon Knobel of Calyx Containers has spent an amazing amount of time thinking about this disintegration. The company started about 9 years ago, when Simon and his co-founder Alex were still in school and adult cannabis was becoming legal in Massachusetts. “Back then, cannabis packaging meant pill bottles, borrowed wholesale from the pharmaceutical world and reused without much thought,” explains Simon. “Our initial instinct wasn’t to do something revolutionary. It was just to build something that made sense for cannabis.”

As the company developed a range of packaging formats, the focus was on quality at the point of sale. “Scent retention, ease of use, shelf life, that was the pace of our design process. What took longer to fully register was that the degradation didn’t just happen after packaging. In many cases, it was already baked in during curing.”

Simon and Calyx did extensive market research to understand what was happening with quality degradation. “It’s good to talk not only with operators, but with consumers.” A story stuck. Simon recalls interviewing a client who was on a ski trip with his family and trying to hide the fact that he had cannabis with him. This awkwardness of smell, discretion and manipulation became a design problem. The sliding cover, integrated gasket, meant the elimination of the twisting motion that gave some users a literal pain in the wrist. But it also opened up a deeper line of research.

As Calyx began to talk more seriously with growers, a recurring question came up. Where exactly does quality start to slip? To answer this, the company partnered with the Cannabis Research Coalition and worked with Dr. Allison Justice on research based on the cure. “What we found was that it wasn’t particularly comfortable for anyone relying on legacy methods,” says Simon. “One of the biggest drivers of terpene preservation was the stability of water activity. When water activity drops below 0.55 aW, the stomata begin to collapse, then shrink, then break. At that point, the mono-terpenes escape.”

These mono-terpenes are responsible for most of the aromas associated with quality cannabis. “They are also volatile in nature. Once they’re gone, they’re gone,” highlighted Simon.

© Calyx Vessels

Basic methods and alternatives
Traditional healing methods are based on burping. Opening containers, exchanging air, manually regulating humidity. “This methodology works, but it also introduces oxygen. In addition, the plant material is also subject to mechanical stress. Both oxygen and mechanical stress accelerate degradation, thus hampering quality.”

Calyx Cure was designed as an alternative to that ritual. “Instead of active intervention, Calyx Cure uses a passive atmospheric film with selective permeation properties. The layers are designed to allow specific gases to move through the material while others are restricted. Biological curing processes continue, but without opening the container, without introducing excess oxygen and without handling the flower.”

In controlled studies, Calyx saw a 33% improvement in monoterpene profile preservation compared to traditional approaches such as turkey pouches. “Practically speaking, that first hit of aroma you get when you open a jar, driven largely by monoterpenes, is intact.”

Complicating the picture is that curing is not reversible. There is a persistent belief that if cannabis dries out too much, there are no moisture packs or other interventions that can bring it back. “Excessive drying slows down the enzymatic reactions, alters the aging process and permanently changes the composition of the terpenes. Once the quality is lost at that stage, the bottle cannot revive it,” he said.

© Calyx Vessels

Curing and speed to market
Therefore, post-harvest processes cannot be the last element of cannabis facility design. “Sometimes speed or short-term cost savings drive the decision. Cure less, move product faster and assume the container will handle the rest.” Market dynamics don’t help either. When a new market opens and the shelves are empty, speed is rewarded and cutting corners can be the difference between hitting dispensaries later.

Calyx approaches it as a manufacturing and engineering problem rather than a branding exercise. Unlike much of the packaging industry, which operates largely as a middleman, Calyx operates its own factory in Utah. “That vertical integration allows us to iterate quickly. New designs can be prototyped in 1 or 2 weeks.”

This can be a huge plus, as quality control is a hot topic in the wider world of agriculture, not just cannabis. The industry often talks about wanting nutraceutical or food standards. These industries have already solved the complexity of the supply chain. They know how to produce in one region and deliver consistently to another. Cannabis, especially if it wants to move globally, will need similar discipline.”

And as with food packaging, sustainability is part of that equation in cannabis. Calyx has extensively studied compostable and hemp-based structures. “Compostable materials struggle with terpene conservation and water activity control. If the package breathes too much, the plant pays the price.”

Instead, Calyx’s approach to sustainability is based on reducing the use of materials at the manufacturing level. “The cover molded joint is a good example,” explains Simon. “Traditional seals require cutting circular inserts from large sheets, creating huge waste. We’ve designed molds where a small amount of polymer forms the cover and joint in one plane, creating almost zero waste and a fully recyclable component.”

Healing, it seems, is not passive waiting. “It’s an active and fragile process,” says Simon. “And like most fragile things in cannabis, it benefits from being engineered rather than inherited.”

For more information:
Calyx vessels
1991 W Parkway Blvd. West Valley City, UT, 84119-2026
724-303-7481
(email protected)
calyxcontainers.com

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We don’t really deal with a lot of mites because of our IPM program

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15 hours ago

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June 9, 2026

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Flora Farms Pest Management Program it is built to reduce to nothing depending on the harvestso the plant ends up clean. Luke Allenbrand, Flora Farms’ crop leader, leads an integrated pest management program that focuses on prevention. “We don’t honestly deal with a lot of mites because of the IPM program, because of the predatory mites that we’ve put down as a precaution,” says Luke. “It allows us to have a much cleaner garden in the back half.” Preventative work keeps spray volumes relatively low because the curative side of the program rarely needs to be heavy.

“Actually, we are at the lowest number of these sprays that we have. The milliliters that we are using are numbers that do not exist to be a prevention,” says Luke. “But as soon as you see an uptick of those mites or anything, we bring it up to a therapeutic amount, which is still a small milliliter. And as long as you’re on a fast track with it, you see them disappear within 10 days.” The targets are spider mites, which feed on the plant’s THC and terpene production and degrade the flower.

© Flora Farms

Tested solutions
The three products used by the company are derived from agricultural and food use. “We actually apply about three insecticides that are very common around the agricultural and food grade of these products, using a suite of IPM, Venerate and Grandevo, insecticides that will deal with these mites,” says Luke. The application is intermittent rather than constant. “We usually use a 5-day spray cycle so we can have rest periods in between, so it’s not just a consistent density of that spray,” says Luke. He sees progress against mites in the gaps between the successions.

However, at some point, the spraying stops. “We finish the spray cycle by day 40. We usually don’t want to spray anywhere after day 40. At that point, you’re going to damage the product,” says Luke. “And at that point, we’ll put predatory mites in. It really helps us get to that final push point by day 59, 60 of that harvest. So we actually have a lot less of our spray in that late period. So it’s a much better tasting product.” Predatory mites take over the job of spraying, leaving nothing on the flower.

Biological control
Biological control has two forms. “We usually use them, they’re called crazy mites, and honestly, it’s crazy to see,” says Luke. “Actually, I’ve seen some of the ones in a close-up photo kill a bug, some of the cocoons actually drive away, and even attack the spider mites themselves. Very beneficial. Callias are also slow. They’re little bags that we hang on plants and they’re very beneficial to us.” Different predators work at different speeds, which is why the program runs more than one.

Missouri’s testing regime is the context in which growers operate. Each plant is tested for pest control chemicals and must pass before the product goes ahead. “Other crops and other black market shops or smoke shops in Missouri don’t have to worry about the testing we have to do,” Luke says. “Everything we use here is natural. Each of our pest management is a lot of essential oils that fight these mites. Everything we would put on a plant is food grade.” The test covers foreign chemicals, heavy metals, and anything else that an unregulated supply should never consider.

The whole arc is from biology to chemistry and back to biology. “We go from predatory mites to a food-grade spray regimen, and then back to predatory mites at the end. That way, these plants will have time to finish with no chemicals, nothing,” says Luke. “The rest of that life cycle, about 15 to 20 days, is the most natural it will have. No spraying at all during that, just to push predatory mites off that end, so there’s no residual mite damage on those plants.”

For more information:
Flower Farms
florafarmsmo.com

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California Bill To Legalize Marijuana Dispensary Drive-Thru Windows Advances In Senate After Clearing Full Assembly

Published

15 hours ago

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June 9, 2026

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It has been passed by a California Senate committee and passed by the Assembly bill that would allow marijuana dealers to offer car windows to serve customers.

The measure, which cleared the Senate Business, Careers and Economic Development Committee on a 7-3 vote Monday, says licensed cannabis retailers and micro-businesses with storefronts can sell marijuana products “in a motor vehicle to a customer in a drive-through located on the premises.”

Under Assemblywoman Gail Peller’s (D) AB 2697, cannabis businesses would need permission from the local jurisdictions in which they operate to add a drive-thru.

The sponsor told committee members before the final vote that the bill will “expand access to legal cannabis products while strengthening our ability to compete with the illegal market.”

Annie Aubrey of Chuck’s Wellness Center, a retailer in Placerville, testified that the legislation is “about improving access.”

“A large portion of our customers use cannabis as medicine, including seniors, veterans and people living with chronic conditions that affect mobility, the population that this regulated system seeks to serve,” he said. “For many, even simple tasks like getting out of a vehicle or navigating a retail space can be physically difficult or prohibitive…A drive-thru option removes that barrier, giving patients and consumers access to what they need in a way that’s dignified and consistent with their healthcare needs.”

Amy O’Gorman Jenkins of the California Cannabis Operators Association said the legislation will provide “operational flexibility” in a highly regulated system.

“It doesn’t expand who can access cannabis,” he said. “It allows retailers, with local approval, to serve existing patients and customers more efficiently.”

Jenkins also argued that this measure could improve security.

“Currently, road traction transactions are already allowed. This means that workers regularly have to leave a safe premises while transporting the product, and sometimes they have to deposit cash in parking lots,” he said. “AB 2697 provides an additional mechanism for obtaining product, but requires a fixed and secure transaction point, keeping employees inside and reducing exposure to theft.”

Pellerin, the bill’s sponsor, previously said that “California cannabis retailers lack a common and accessible transaction channel for consumers that so many other retailers in California offer, including fast food, pharmacies, banks and even liquor stores.”

“Cannabis consumers with mobility issues or other disabilities have limited options for obtaining cannabis without having to get out of their vehicles. And while home delivery is legal, there are restrictions on service areas,” he said. “Allowing cannabis sellers to add a secure ride option, if allowed by their local jurisdiction, will improve the consumer experience, increase the security of cannabis sellers and help expand California’s legal cannabis market.”

The California Association of Narcotics Officers opposes the proposal, however, as a representative, Ryan Sherman, testified that it would make it more difficult for dispensary workers to check the IDs of customers who are of legal age or to spot signs of current intoxication at drive-thru windows.

“This bill prioritizes speed of sale over public safety while undermining existing protections designed to prevent illegal sales and protect public safety,” he argued.

Under current policy during the COVID pandemic, dispensaries can already offer street pickup.

The invoice that moving forward in the legislature would mandate that auto sales “be made through a fixed panel security window with a security drawer or similar secure transfer mechanism that is part of a building located within the premises.”

—
It’s Marijuana Time tracking hundreds of cannabis, psychedelic and drug policy bills in state legislatures and Congress this year. Patreon supporters by pledging at least $25/month, you’ll get access to our interactive maps, charts, and audio calendars so you never miss a development.

Learn more about our marijuana bill tracking and become a Patreon supporter to gain access
—

California regulators recently approved emergency rule changes to the state’s marijuana licensing process. to make it easier for companies to receive benefits In line with the Trump administration’s latest move to federally regulate medical cannabis.

While Gov. Gavin Newsom (D) recently He took credit for helping lead the state’s push to legalize marijuana and discussed his limited experience with cannabis use.

In October, however, Newsom vetoed a bill that would have It allowed micro-marijuana companies to ship medicinal cannabis directly to patients Through common carriers like FedEx and UPS, he said the proposal would be “too burdensome and complex to manage.”

Newsom signed a bill earlier this month streamlining research into marijuana and psychedelics.

In September, the governor also signed a measure pause on the recent tax increase on marijuana products.

Separately, the state attorney general says Indian tribes cannot independently participate in the marijuana trade with licensed cannabis businesses without obtaining their own commercial license from state officials.

California officials have recently been rewarded nearly $30 million in grants for marijuana-focused academic research projects.

Marijuana Moment is made possible with the help of readers. If you rely on our pro-cannabis journalism to stay informed, consider a monthly Patreon pledge.

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Concert Series Specials launched for state medical cannabis patients

Published

2 days ago

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June 8, 2026

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Post Dispensary, Kentucky’s first medical cannabis dispensary, is connecting with patients in Owensboro, Henderson, Bowling Green, Elizabethtown, Madisonville, Hopkinsville and surrounding areas by aligning unique specials with the region’s summer concert calendar. Located at 300 N Main St. in Beaver Dam, minutes from major highways connecting these vibrant cities.

This summer, The Post Dispensary is offering special pricing and incentives for Concert Series Events at the Beaver Dam Amphitheater, SPARKS in the Park 4th of July celebration and surrounding events, such as Owensboro’s ROMP Festival (June 24-27, 2026). Patients can stop by before or after shows for big savings.

“We’re more than just a booty,” said a dispensary representative. “From Owensboro’s world-class ROMP Festival to Beaver Dam’s Amphitheater events, we’re making it convenient and budget-friendly for patients in Owensboro, Henderson, Bowling Green, Elizabethtown, Hartford and beyond to combine our love of music with compassionate care and an affordable product.”

The Post Dispensary hosts regular Patient Guidance events on the second Saturday of every month. These units have professionals on hand to assess patients and issue written certificates at low cost, application support and expert consultations in a welcoming environment. The next Patient Drive aligns perfectly with summer travel patterns, making it easy for patients from Owensboro, Bowling Green, Elizabethtown, Madisonville, Henderson, Madisonville and surrounding towns to plan a trip to Beaver Dam that combines care with community and entertainment.

For more information:
Post-Dispensary
thepostdispensary.com/










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