If you want crystal-clear thoughts and insights into your future, this OG strain is for you. A relatively recent OG descendant, Crystal Skull OG is a highly potent strain that was gifted to 3C Farms by Moxie. One of our most pungent strains, Crystal Skull OG has been described as having a mild fuel-like aroma. Like other OG strains, Crystal Skull OG produces relaxing and sedative effects. Aroma: Piney, Gas, Skunky // Effects: Sedative, Long-Lasting, Heavy, Immediate // Genetics: Ghost OG Kush