Review: G Pro Vaporizer

Review: G Pro Vaporizer

If you're in the market for a portable vaporizer, especially one that is a great starter vape and affordable, then look no further. The G Pro by Grenco Science offers a variety of features that provide an excellent vaping experience. Read on to see why we are big fans of the G Pro!


    • Portable Vaporizer
    • Dimensions: 5.5in x 1in x 1in
    • Weight: 2.9 oz
    • Warranty: 1 Year
    • Manufacturer: Grenco Science
    • Made in: China

Look & Feel:

The G Pro feels really good in your hand because it has a really soft, smooth chassis. It's thin and super lightweight, making it an ideal portable and pocket-friendly vape. We think this is one sleek lookin' vaporizer and compared to a desktop vaporizer,  it can easily be taken to a music festival or the beach. Wherever you love to vape, the G Pro can be your perfect partner.


How to Use the G Pro:

One of the many great things about the G Pro is that it's one-button operation makes it extremely user-friendly.

To prepare your material, grind your aromatic blends very finely for this vape. The chamber holds about 0.5 - 0.6g depending on the consistency of your grind. If you use the included G Card Grinder, you will get the perfect consistency that you will want for the G Pro.

To reveal the heating chamber, apply pressure using your thumb on the front side of the mouthpiece towards the tip, and it will snap off. Fill the G Pro's heating chamber to the top, and load it somewhat firmly. You don't want it to be too tightly loaded into the chamber because you want to leave room for air flow, so find a happy-medium. This is a convection vaporizer, after all! Once you're done loading the chamber, snap that mouthpiece back on.

To turn the G Pro on, rapidly click the power button 5 times. The power button will turn red to indicate that it is heating, and the LED light will show whatever temperature it is heating to.

The G Pro has 3 temperature settings - low, medium, and high.

Low (red): 360°F

Medium (green): 380°F

High (blue): 420°F

To change the temperature on the G Pro, hold down the power button for 3 seconds until you see the LED light change to your desired setting. It takes the G Pro about 2 minutes to reach the highest temperature, and the power button will turn green when it's ready to go.

When you're ready to take your draw, take slow, steady draws rather than one long one.

+Pro tip: If you get to a point where you feel that the vapor is a little too warm for you, try using the extended mouthpiece sleeves. They're there to cool it down.

Vapor Quality:

The vapor production on this little vape is substantial for its compact size. Even on the lower setting, you can get visible vapor, whereas some vaporizers have a difficult time producing visible vapor on their lower settings.

You may want to start off on a lower setting at first to see what kind of vapor it produces. We find that the sweet spot is the medium (green) setting. If you feel like you want more vapor than that, push that button up to high gear!


The battery life is pretty in line with other top portable vaporizers, lasting about 1 hour of continuous use before it needs to be recharged. There is a 3 minute automatic shutoff, so it is difficult to leave it on accidentally, which is helpful for preserving your battery.

The G Pro does take about 4 hours to charge, and cannot be used while charging, so there is a little bit of waiting involved.


This vaporizer is so easy to clean. All you need to worry about is the heating chamber and the mouthpiece/extended mouthpiece. The chamber can be easy brushed out with the included cleaning brush tool, and you can use isopropyl alcohol on a q-tip or a chenille stick to clean off any residue on the sides.

The mouthpieces can be cleaned by unscrewing the filter and using the same tools with some isopropyl alcohol.


    • Easy to operate and clean. Convenient all around.
    • Sleek and pocket-friendly.
    • Affordable, convection style vaporizer - yes please!
    • Material vaporizes evenly requiring no need for stirring.
    • Won't overheat your material.


    • Cannot be used while charging.
    • Battery is not replaceable.

What's in the Box:

    • G Pro
    • G Pro Mouthpiece
    • Filter
    • 2 Extended Mouthpiece Sleeves
    • 3 Rubber Mouthpiece Sleeves
    • 5 Replacement filter screens
    • Micro USB Cable
    • G Grinder Card
    • Cleaning Brush
    • Instruction Manual


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