Grenco Science

Grenco Science launched in 2012 with the G Pen brand and a strategy that was unique in the vaporizer industry: they would compete on culture rather than specifications. Celebrity collaborations with Snoop Dogg, Lil Wayne, and others made G Pen one of the first vaporizer brands recognizable outside of enthusiast circles. The approach worked commercially, making G Pen a fixture in smoke shops and mainstream retail locations nationwide.

However, this mainstream success came with scrutiny from the vaporizer enthusiast community. Early G Pen devices were criticized for questionable materials, overheating issues, and performance that didn't justify their pricing. The brand earned a reputation for style over substance, with marketing budgets that seemed to dwarf engineering investment. Community trust was particularly damaged when some early models were found to have safety concerns.

Grenco has worked to address these criticisms in recent years. The Dash series represents genuine improvement in build quality and performance, and the G Pen Roam brought a credible portable eRig to market. The brand is still rebuilding trust with the enthusiast community, but for mainstream consumers who encounter vaporizers through lifestyle channels rather than Reddit threads, G Pen remains one of the most accessible entry points to the category.