Grenco Science
Nov 29, 2021 11:17 am
Cyber Monday is here!
Grenco Science
Nov 27, 2021 11:15 am
Loyal G's get a bonus discount
Grenco Science
Nov 26, 2021 11:19 am
Up to 50% off for Black Friday!
Grenco Science
Nov 24, 2021 4:55 pm
Help feed people facing hunger this holiday
Grenco Science
Nov 17, 2021 3:32 pm
The Only Truly Portable Rig
Grenco Science
Nov 15, 2021 1:59 pm
Back In Stock: Stndenglass Gravity Hookah
Grenco Science
Nov 13, 2021 1:16 pm
Join G Pens VIP Loyalty Program
Grenco Science
Nov 11, 2021 4:10 pm
35% off for veterans & essential workers
Grenco Science
Oct 29, 2021 1:29 pm
Get double points sitewide this Halloween
Grenco Science
Oct 27, 2021 3:52 pm
Support breast cancer awareness & early detection
Grenco Science
Oct 21, 2021 4:18 pm
Enter to win a FREE pink G Pen Dash
Grenco Science
Oct 19, 2021 6:43 pm
Updated: Use This Code To Get Two FREE Connect Tanks
Grenco Science
Oct 19, 2021 4:42 pm
Hey, Get Two FREE Connect Tanks
Grenco Science
Oct 14, 2021 4:06 pm
Introducing the Lemonnade x G Pen Micro+
Grenco Science
Oct 6, 2021 3:50 pm
A smarter, more flavorful vaporizer
Grenco Science
Oct 1, 2021 4:28 pm
Help us in the fight against breast cancer
Grenco Science
Sep 29, 2021 4:08 pm
Officially Launched: Dr. Greenthumb's x Micro+
Grenco Science
Sep 27, 2021 1:17 pm
Back In Stock: Dr. Greenthumb's x G Pen Connect Vaporizer
Grenco Science
Sep 24, 2021 3:10 pm
The Roam has everyone talking...
Grenco Science
Sep 21, 2021 1:12 pm
Back In Stock: Connect Lemonnade
Grenco Science
Sep 16, 2021 1:48 pm
Cookies x G Pen Micro+ is Finally Here
Grenco Science
Sep 6, 2021 2:14 pm
Last Chance. Get Double Reward Points this Labor Day
Grenco Science
Sep 3, 2021 1:33 pm
Get Double Reward Points this Labor Day
Grenco Science
Sep 1, 2021 5:46 pm
Connect With Our Best-Selling Vaporizer
Grenco Science
Aug 27, 2021 2:09 pm
The Micro+ has arrived!
Grenco Science
Aug 23, 2021 12:15 pm
The biggest drop of this summer awaits you...
Grenco Science
Aug 20, 2021 11:32 am
Celebrate National Lemonnade Day with G Pen
Grenco Science
Aug 11, 2021 5:16 pm
Discover our best-selling vaporizer
Grenco Science
Aug 7, 2021 10:15 pm
Hey there, Happy National CBD Day!
Grenco Science
Aug 4, 2021 1:16 pm
Just Dropped: Lemonnade x Dash Vaporizer