Are Terploc Bags Just Ziploc Bags?

[Tony Aroma]

I was visiting a friend recently, when he pulled out a Terploc bag with some of his recent harvest. He told me you just put the buds in the bags, and that's it. They cure perfectly, and stay in that perfect state in the bags forever, no further intervention required. They rely on some space-age technology (my paraphrasing), that maintains the perfect humidity level forever.

My response to curing in these newly-invented zipper bags was that I've been curing this way for years. After drying to the touch, I put the buds in Ziploc bags, usually for a couple of weeks, then into jars for final curing and storage. As far as being able to maintain the perfect humidity level, that's just BS. I know of no non-air-tight container or seal that will do anything other than eventually reach equilibrium with the environment. Unless there's nanotechnology involved.

So, I'd like to hear your opinions, are Terploc bags an amazing new technology, or are they just expensive, black Ziploc bags?

 

[PadawanWarrior]

Grove bags kick ass. And they do work like they say. My buds smell way better since I started using them. And no more burping jars over and over. They are not the same as Ziplocks. But even sealed they will still lose RH over time. At least here in Colorado where its dry.

 

[jokerman]

Grove bags kick ass. And they do work like they say. My buds smell way better since I started using them. They are not the same as Ziplocks.

no they keep a humidity around 60 if the weed is around 60
It will not humidify but keep a status quo

 

[Boo]

grove bags are great but you must have your buds dried before they go in there...once in the bag a bud will maintain about 60% humidity...wet buds in the bag will mold

 

[Ca++]

Perhaps a salt based tech. I think it works, that some salts want to retain a certain moisture content. They will pass excess through, that they don't want. But hold on to what they do.
Bovida packs are related. Someone recently spoke of making them.

 

[PadawanWarrior]

no they keep a humidity around 60 if the weed is around 60
It will not humidify but keep a status quo

Ya, you still need to dry the buds. But they do leak humidity over time. Last time I put them in bags for a couple months and then into jars to hold the RH stable. I also am trying the Dragon Chewer bags for storage after the Grove bags too instead of jars.

The Dragon Chewer bags don't lose as much humidity over time. But still lose a little. I bagged up this 4 months ago along with some in Grove bags. The Grove bags buds are drier. The Dragon Chewer aren't as dry but still lost moisture.

I just opened this to put a new battery in the hygrometer a few minutes ago but it should be pretty close. I would say 48-49% is about right. It was sealed at 56%. This is a Dragon Chewer bag.

Here's the Grove bag so far. It's still dropping since I had to change the battery in this hygrometer too. I'm guessing it's gonna stabilize around 41-42%.

Dragon Chewer lost about 7% and the Grove about 14% RH. So the Grove bags have lost twice the humidity in the last 4 month even though both were heat sealed. I will reseal them and put them back in the closet for another few months and check again.

 

[Boo]

try putting them in the freezer as grove recommends...heat seal and freeze is the ticket according to grove...

 

[PadawanWarrior]

try putting them in the freezer as grove recommends...heat seal and freeze is the ticket according to grove...

I think you're thinking of their Fresh Frozen line for extracting. They say a cool dark room for the Terp Loc bags as far as I know. Here's from their site:

How do I get the best results from my Grove Bags?

The biggest factor for getting the most out of your Grove Bag is to make sure your cannabis is properly dry and the inner moisture is both released and regulated. If you think the cannabis is too wet still burp it in the bag for 3-4 days. Once your cannabis is dry heat seal the bag and store it in a cool dark room for best results. There is no need to purchase a 2-way humidity packet or oxygen scrubber.

 

[acespicoli]

Mylar® Bags

Mylar® bags offer gas and moisture resistance, chemical stability, high tensile strength, for high barrier packaging. When laminated to aluminum foil, Mylar® provides a higher puncture resistance than any metallized polyester film.

www.sorbentsystems.com

is this the tech behind the bags ?

What Is Mylar?​

Mylar®, also known as BoPET (Biaxially-oriented polyethylene terephthalate), is a polyester film made from stretched polyethylene terephthalate (PET) and is used for its high tensile strength, chemical and dimensional stability, transparency, reflectivity, gas and aroma barrier properties, and electrical insulation.

BoPET film was developed in the mid-1950s, originally by DuPont, Imperial Chemical Industries (ICI), and Hoechst. The term "Mylar" is presently a registered trademark of the DuPont Teijin Corporation.

Because polyester film is less permeable to gasses than other plastics, it is often favored in the food packaging industry. When used as a laminate, e.g., aluminum foil / polyester / LLDPE, it provides increased shelf life and freshness, as well as an excellent barrier against moisture and gas, notably oxygen.

Vacuum metallization, also known as thermal evaporation, is the most common PVD (Physical Vapor Deposition) process used to apply metal alloys under vacuum. Where polyester film is concerned, aluminum is vaporized inside a vacuum chamber and then bonded to a polyester sheet to achieve a uniform metalized layer. This process produces the silver-colored material often incorrectly referred to as "mylar" by consumers, while the appropriate term is "metallized polyester".

Boveda in Mason Jars how im rollin but,
Im here to learn new things and this terp bag is new to me
The bags with metal would have advantages store better less fragile to name a couple

 

[PadawanWarrior]

Mylar® Bags

Mylar® bags offer gas and moisture resistance, chemical stability, high tensile strength, for high barrier packaging. When laminated to aluminum foil, Mylar® provides a higher puncture resistance than any metallized polyester film.

www.sorbentsystems.com

is this the tech behind the bags ?
View attachment 19129618

What Is Mylar?​

Mylar®, also known as BoPET (Biaxially-oriented polyethylene terephthalate), is a polyester film made from stretched polyethylene terephthalate (PET) and is used for its high tensile strength, chemical and dimensional stability, transparency, reflectivity, gas and aroma barrier properties, and electrical insulation.

BoPET film was developed in the mid-1950s, originally by DuPont, Imperial Chemical Industries (ICI), and Hoechst. The term "Mylar" is presently a registered trademark of the DuPont Teijin Corporation.

Because polyester film is less permeable to gasses than other plastics, it is often favored in the food packaging industry. When used as a laminate, e.g., aluminum foil / polyester / LLDPE, it provides increased shelf life and freshness, as well as an excellent barrier against moisture and gas, notably oxygen.

Vacuum metallization, also known as thermal evaporation, is the most common PVD (Physical Vapor Deposition) process used to apply metal alloys under vacuum. Where polyester film is concerned, aluminum is vaporized inside a vacuum chamber and then bonded to a polyester sheet to achieve a uniform metalized layer. This process produces the silver-colored material often incorrectly referred to as "mylar" by consumers, while the appropriate term is "metallized polyester".

I thought they might be the same at first too, but they're not exactly the same. It sounds kinda like Mylar but with an added layer maybe. My little experiment shows they're not the same. The Grove bags obviously have some breathable layer since they lose humidity faster than the plain Mylar. Here's what Grove says at least:

TerpLoc® vs. Mylar | Grove Bags

How does TerpLoc® technology compare with run-of-the-mill mylar bags? See the differences head to head and learn why your pick matters.

grovebags.com

 

[acespicoli]

I thought they might be the same at first too, but they're not exactly the same. It sounds kinda like Mylar but with an added layer maybe. My little experiment shows they're not the same. The Grove bags obviously have some breathable layer since they lose humidity faster than the plain Mylar. Here's what Grove says at least:

TerpLoc® vs. Mylar | Grove Bags

How does TerpLoc® technology compare with run-of-the-mill mylar bags? See the differences head to head and learn why your pick matters.

grovebags.com

Growers know:
not all bags are created equal.​

TerpLoc® protects flower like no other material, even those designed for ‘product preservation’, like Mylar (otherwise known as BoPET, or biaxially-oriented polyethylene terephthalate).​

TerpLoc® is the only material that helps naturally preserve terpenes, ensuring that your hard work is protected from cure to consumption.​

TerpLoc® has an anti-static element specifically designed to prevent trichomes from sticking to the inside of the pouch.​

Mylar, on the other hand, can be prone to static charge, which can strip away delicate trichomes from the surface of your buds.​

TerpLoc® protects flower from damaging UV rays, even if your pouch includes a clear viewing window.​

Mylar only protects from UV damage if the bag is fully opaque, limiting product visibility.​

TerpLoc® was created by passionate growers, and is engineered specifically for the unique physiology of the plant.​

Mylar was originally created for other purposes, including use as photographic film material and for constructing balloons.​

Interesting seems proprietary they say its different but not exactly how

This is the tech behind soda pop plastic bottles, wonder


Interesting thread thanks for starting the conversation
Best >>>

 

[acespicoli]

Case study | Grove Bags

Recent Grove Bags Case Study All Awards Case study Cultivation Dispensaries Distribution Education Featured Growing Industry News Packaging Technology Uncategorized Cresco/Cultivate Case Study Read More Summit/Wheelhouse Case Study Read More Rair Systems Case Study Read More How to Identify and...

grovebags.com

if anyone downloads those studies they would be nice to read

 

[PadawanWarrior]

if anyone downloads those studies they would be nice to read

Here you go.

 

[acespicoli]

Here you go.

Experimental Design Summary of Findings In late 2022,
Grove Bags commissioned a study with Veda Scientific, a Californiabased cannabis testing laboratory specializing in advanced compound analysis and experimental design, in order to examine the effectiveness of TerpLoc® compared to other storage devices and conditions. Grove Bags has previously employed independent, third-party testing to demonstrate the effectiveness of TerpLoc® as recently as 2017, wherein it was found that Grove Bags are more effective at preserving terpene content than other storage methods. As the industry has matured, additional resources have been made available to further analyze the wide array of volatile compounds found in cannabis.

For the purposes of this study, Veda Scientific utilized a highly specialized twodimensional gas chromatography system (2D GC) to measure all of the volatile content of cannabis, including terpenes, thiols, esters, and dozens of other compounds. A 12-week curing and storage study was conducted using two chemotypically distinct strains - GG4 and MAC.

For each strain, dried samples were divided evenly among five Grove Bags and five Mason jars, so that each container had 2.5 pounds of flower. At regular intervals (Weeks 1, 4, 8 , and 12), samples were analyzed for N2, CO2, and O2 retention, moisture and water activity, cannabinoid content, terpene content, and an untargeted 2D GC/MS analysis, enabling a broader array of component qualification.


Results from the 12-week study determined, conclusively, that flower cured in Grove Bags more effectively retained the full spectrum of volatile compounds found in cannabis compared to glass jars. Additionally, Grove Bags were found to create an elevated CO2, lower oxygen environment. A notable distinction between these newest results and the results of previous studies is the inclusion of untargeted 2D GC/MS analysis, enabling the measurement of a much broader array of plant components. As shown in prior results, TerpLoc® was again more effective at retaining terpenes and THC, and with the inclusion of additional variables in this most recent study, it is apparent that Grove Bags provide a better environment for the preservation of the plant’s full spectrum of volatile compounds.

Had considered adding a Oxygen scavenging packet to my jars
These may even be cheaper than jars... interesting product

Oxygen scavenging polymer packaging is a type of active packaging that uses polymers to reduce the amount of oxygen in a package. This helps to extend the shelf life and maintain the quality of packaged food, beverages, and pharmaceuticals.

Thanks @PadawanWarrior

 

[Mate Dave]

The curing bags from the meat industry are they not the same thing?

 

[Ca++]

It's seems UV creates the oxygen deficit in the material, that then draws oxygen in. I had no prior knowledge of this, but films of 95% ldpe and 5% rubber are used in meat packing, and such. I think ldpe is termed polythene. Low density polyethylene.
Where food isn't concerned, ldpe might be doped with metals.

I had expected ldpe and mylar, but obviously the ldpe window side is doped.