yeah dude, im growing that right now. picked up some seeds from the detroit medical cannabis cup. it grows pretty easy.. i c u wrote this in dec.. how are yours coming? i started mine late dec. ive got clones veging and ive got the mothers in the bloom room one is 1 week away from harvest the other 2 weeks... they have a citrus/skunk smell and they seem live fairly heavy yeilders. im excited about em! hit me back if u see this, maybe we can exchange pics, ive been interested to see someone elses viper grow being that id never herd of viper til i got those seeds. peace out man. DoD