Official
Partner
Grenco Science
Grenco Science

Grenco Science

Discount Codes & Deals

Grenco Science is the brand behind the famous G Pen vaporizer range; considered to be some of the best portable vaporizers in the world today. They offer a wide range of premium dry herb, concentrate and e-liquid vaporizers to fit everyones budget - all with the same iconic blacked out design. If you want a real G Pen vaporizer, it’s probably not wise to buy it somewhere like Amazon, but instead at Grenco Science’s official web store. We're excited to be teamed up with Grenco Science directly to bring you exclusive discount codes and deals that can't be found anywhere else online! So check out the latest deals we've added below and save on one of the strongest vaporier brands in the game!

Product Range
Coupons
0
Deals
7
Sales
13
Freebies
0
Hints & Tips
Pro tips for saving money at Grenco Science
clouds back small 1clouds middle small 1clouds front small 1
Trending Grenco Science Discounts & Deals
Hotbox Your Inbox
Get the dankest deals delivered via email!

Search



HEAVY HITTER
Tis the season for G Pen fanatics! Save up to 25% on everything (including new releases) at the official Grenco Science store this week.
This deal expires in:
$44.95
Don’t worry, this isn’t a pricing error! You can actually pick up the G Pen Pro for just $44.95 (50% off) right now at the official G Pen store!
This deal expires in:
Tried G Pen’s new cartridge system yet? Grab a G Pen Gio Battery with 50% off for the next 2 days only at the official Grenco Science store!
This deal expires in:
HEAVY HITTER
Keep it straight G this Cyber Monday! Save up to 50% on all G Pens and accessories until midnight tonight at the official Grenco Science store!
This deal expires in:
£80.99
The best vaporizer coming out of Grenco Science! Combine the following discount code with Namaste Vapes UK’s sale price and save 49% on the G Pen Elite.

Expiry Date Unknown

This deal expires in:
$4.95
Got space in your wallet for a grinder? Of course you have! Save 50% on Pizzanista! Grinder Cards at the official Grenco Science store while stocks last.

Expiry Date Unknown

This deal expires in:
Expiry unknown
$49.95
Grenco Science’s official G Pen x Santa Cruz Shredder 4 Piece Grinders are currently on sale for $49.95 each (28% off) in their Summer Sale!

Expiry Date Unknown

This deal expires in:
Expiry unknown
$39.95
The G Pen Dual Quartz Vaporizer has just been reduced to only $39.95 (42% off) in Grenco Science’s Summer Sale. Ending very soon though!
This deal expires in:
$2.95
If you’re shopping at Grenco Science, don’t forget to grab one of their G Card Grinders – only $2.95 each (40% off) in their Summer Sale!
This deal expires in:
$89.95
Grab the G Pen Elite Vaporizer for just $89.95 (40% off) for a limited time only at the official Grenco Science store!
This deal expires in:
The G Pen Elite Stash Edition is now cheaper than ever! Pick yours up for just $119.95 (33% off) today at the official Grenco Science store!
This deal expires in:
It’s now the final day of Grenco Science’s Memorial Day Sale! You’ve got until midnight tonight to get 30% off all vaporizers and accessories!
This deal expires in:
WINTER SALE GRASSCITY