There aren't enough spaces for extra categories so if you don't fit any of these please post instead.
zero = 0mg per ml
low = around 6mg
medium = around 11mg
high = around 16 - 24mg
extra high = 36mg
zero = 0mg per ml
low = around 6mg
medium = around 11mg
high = around 16 - 24mg
extra high = 36mg