Enlarge this image toggle caption It's a sunny afternoon at Kelly's Collective, a medical marijuana dispensary in Los Angeles, and Nikki Esquibel is getting stoned.But you wouldn't know it.toggle caption The 19-year-old, who has a medical prescription for marijuana, is "smoking" pot with a handheld vaporizer, or a vape pen.It's sleek, black, and virtually indistinguishable from a high-end e-cigarette.That's the point, says Esquibel."I use it mostly around my neighborhood.It's easy to hide."The vapor coming from the device doesn't even have much of an odor.Discretion, it turns out, makes for good money.While e-cigarettes have been grabbing the headlines, the vape pen industry has been quietly ballooning.And it's reshaping the business and culture of marijuana.The latest versions of e-cigarettes contain a battery-powered heating element that vaporizes a liquid containing nicotine.Vape pens for pot use the same mechanism, but the devices are optimized to vaporize the active molecules in concentrated marijuana oils, not nicotine.

And just as with e-cigs, there's no fire or smoke.Pot users are flocking to the pens: One out of three reviews on Leafly, the Yelp of the pot world, is about vaping marijuana.Enlarge this image toggle caption Andres Rodriguez/Flickr Andres Rodriguez/Flickr The pen doesn't carry the stigma or notoriety of a bong or joint, says Todd Mitchem, an executive at O.pen Vape, which sells its products on the West Coast and in Colorado."We are getting people buying vape pens who wouldn't normally come into a [marijuana] dispensary," he tells Shots."Now, all of a sudden, they have an alternative [to smoking pot]," he adds.Two years ago, Chris Folkerts was selling vape pens out of the trunk of his car.Today his company, Grenco Science, has 6,000 square feet of prime real estate in central Los Angeles."You could never get your mom to hit a bong," he says."But your mom would potentially hit a G Pen.My grandmother did too!And I have god-fearing Christian grandparents from the Midwest.

When they tried it, I knew I was on to something."Most vape pens don't actually vaporize the marijuana plant.They're loaded with marijuana concentrates, or "hash oil": a viscous, yellow resin chemically extracted from the plant.In many places, that extraction often occurs in somebody's kitchen — which can be explosive and dangerous.And the concentrates can be strong.Marijuana flowers can contain up to about 20 percent THC, the psychoactive chemical that makes you feel high.But the concentrates can contain up to 90 percent THC.Esquibel says she almost fainted when she took her first hit.Those high THC levels worry Allen St. Pierre, executive director of the National Organization to Reform Marijuana Laws, a nonprofit lobbying group working to broadly legalize marijuana use.Shots - Health News Evidence On Marijuana's Health Effects Is Hazy At Best Shots - Health News Marijuana May Hurt The Developing Teen Brain "Between the fact that you can potentially pass out with a single inhalation, or you can have such property damage and potential bodily harm just producing it ... these [issues of the vape pen] definitely need to be addressed," he says.

"This is a screaming call for regulation if there ever was one."Most states, such as California, that allow the sale and use of medical marijuana don't have rules on the books about marijuana concentrates or about vaping the substance.California is considering a ban on concentrates, while Colorado and Washington allow them.miniclip wax pen vaporizer reviewThe sale and use of vape pens is legal in every state.wulf mods tundra portable vaporizer reviewsAnd what about the health effects of vaping pot compared with smoking it?atmosrx combo vaporizer bundle review"The problem is that, right now, it's hard to tell how much [THC] you are actually getting when you take a puff of one of these things," says Mark Kleiman, who studies marijuana laws and policies at the University of California, Los Angeles.g pen herbal vaporizer review 2014

"The risk of getting wrecked is a lot higher."And given that the output of vape pens doesn't have the telltale marijuana smell, Kleiman is also concerned about what the rising popularity of the devices means for parents and teachers."For them this will be a nightmare," he tells Shots."If I am running a school or a house and I have a nose, I can tell if my kids are smoking pot.ecto vaporizer 650 for saleBut if they're using a vape pen, forget about it."cloud terra vaporizer reviewG Pen Elite Review – Introducing the New Portable Vaporizer from Grenco Science Specifications Grenco Science Dry Herb See all specifications Sponsored by Grenco ScienceThe G Pen Elite vaporizer is a new portable dry-herb vape from Grenco Science, the same people who brought you the G Pen Herbal and Micro G Pen vaporizers.atmos vaporizer junior dry herb

The Grenco Science website refers to the new unit as “ a monumental leap in technology for both brand and industry,” so I was excited to see whether it would live up to the hype.The G Pen Elite is an ergonomically designed portable conduction vaporizer (despite it being marketed as a dual convection/conduction unit).e cigarette zone northallertonIt features a full LED display with temperature control, battery life indicator, and all-ceramic heating chamber.vaporizer untuk bayiPowered by a combination of the highest grade lithium-ion battery and smart-chip technology, the Elite is a high-performance vaporizer that sustains battery life for extended use.Designed and engineered for portability, the G Pen Elite is the perfect marriage of form and function, making it the ideal solution for efficient vaporization on the go.Designed for dry herbs & extended vape sessionsIf you are looking for a portable vaporizer that acts like a one-hitter [as opposed to a session vape], then the G-Pen Elite is probably not the best fit for you.

However, if you are like me and enjoy relaxing for a few minutes while taking multiple hits from your vaporizer, you will find the design of the new G-Pen Elite to be fantastic.The G Pen Elite boasts the largest fully ceramic chamber on the market, with a revolutionary 360 ceramic heating element that provides fast and even conduction vaporization of ground material from all sides.With the capability of setting any desired temperature between 200° – 428°F (93° – 220°C), users can experiment with low temperature true vaporization to explore optimal flavor profiles.This innovative technology opens up an entirely new vaporizing experience with unrivaled performance, taste, and effects.There are a few smart features built into the unit.For instance, after turning your device on and initiating the heating process, the Elite is set to automatically shut off after five (5) minutes.So don’t worry if you get too medicated to remember to shut off your unit — Grenco Science has your back.

Also, if you forget to initiate the heating process all-together, the Elite vape is smart enough to automatically shut off after just 40 seconds of idol time.How to use the new G-Pen Elite vapeGetting started with your new G-Pen Elite is a simple and straight-forward process:Register your G-Pen Elite on the Grenco Science website using the serial number information located on the underside of the product packaging.Grenco Science stands behind their products and provides a one year warranty on electronic components.Fully charge the device for a minimum of three hours before first use by plugging your Elite vape into the provided USB-compatible charger when it is plugged into a computer.Remove the mouthpiece by gripping both sides firmly and lifting one side upward.Fully load the chamber with your preferred ground material.Be sure to grind dry herbs before using them to maximize the surface area that will touch the oven walls.Power on your device by pressing the front panel button five times until you see the G logo light up (this is the same way you turn off your device).Use the side buttons to select your preferred vaporization temperature.

For this step, I would highly suggest starting your vape session at a lower temperature (< 250 – 300°F) to ensure you don’t overheat certain terpenes or cannabinoids that deteriorate at high temperatures.After taking a few draws at this lower temperature, you can up the oven to 350-375°F to finish off the vape and ensure you don’t leave any herb unused.To initiate the heat sequence, simply hold the front panel button down for one second, release, and wait.Once the LED display indicates that your selected temperature has been reached, inhale, and enjoy.The Elite is a great portable dry herb vape for the priceSo you may be wondering how the new Elite vaporizer from Grenco Science stacks up against the new PAX 2 vape and other similar quality vapes… The simple answer: it’s more user friendly and it’s cheaper.The mouthpiece design on the G-Pen Elite keeps the unit from overheating and burning your lips; something that cannot be said for the PAX 2.Seriously, that thing burns!Additionally, unlike the PAX 2 vaporizer which doesn’t include a manual temperature control feature, the Elite vape comes with a new modern digital display that allows you to easily manage the temperature of the oven at all times by pushing the lower/raise temperature buttons on the side of the unit.

What this essentially means is that you can finally have good-tasting vapor from a portable vaporizer… no more burnt popcorn taste.Further more, the Elite’s large oven size can fit nearly 1 gram of ground dry herbs, ensuring you won’t need to keep filling it to reach your desired effect.Just one pack and you are set for a night on the town or hike in the woods.The bad stuffThere are some down sides to the G-Pen Elite.For starters, the mouth piece cover is made of a rubber-like silicon that easily wears down and begins to rip as you remove the mouth piece each time you pack / clean your vape.Additionally, I found the mouth piece to get clogged with resin after a few weeks of daily use.This is an issue because they do not provide a second mouth piece or a means to clean it, so now I am stuck figuring out how to clean it / use it when it gets limited airflow.Finally, the battery life is very bad compared to other portable vaporizers I have come across that last for days on end.With regular use (2-3 vape sessions per day), I found the battery of the G-Pen Elite to almost always be below half power (2/4 bars) after the first few 2-3 sessions (1 day) — making you charge it almost daily before bed if you want to use it the next day.

This may not seem like a big issue until you get medicated one night and forget to plug it in, wake up the next to start a new session, only to have the unit drained.Regardless of all of the issues listed above, I still would feel comfortable recommending the G-Pen Elite to anybody seeking a portable vaporizer that is capable of manual temperature settings and producing large clouds of vapor (if desired).For the price tag of $179, you get the power to vape wherever you desire.Available from 14 sellers From the MJ Directory Visit the directory Grenco Science Grenco Science was one of the original companies to come out with a pen-style vaporizer.Their G-Pen is specifically designed for essential oils and personal aromatherapy regiments.It was released in 2012.FOOD AND DRUG ADMINISTRATION (FDA) DISCLAIMER - These statements have not been evaluated by the Food and Drug Administration (FDA).These products are not intended to diagnose, treat, cure, or prevent any disease.