This new hybrid is a significant advance in modern marijuana breeding and its Indica dominant nature makes it ideal for relaxation, pain relief and late night smoking. Critical Kush is a cross between Afghani-descended Critical Mass and none other than OG Kush. Cannabis testing lab gives this bud consistently high marks, with THC measurements consistently over 25%. With that kind of potency, Critical Kush is almost certain to put you in critical condition. Critical Kush sets itself apart with medium to large-sized nugs of resin-filled goodness.