Washington, DC--(ENEWSPF)--October 8, 2015. Colorado’s largest pot grower, LivWell Inc., was sued over illegal pesticide use in a law suit filed Monday in Denver District Court. Two marijuana users, one of whom suffers from a brain tumor and holds a medical card to use the product, allege that the grower used a potentially dangerous pesticide in the production of marijuana they later purchased. The suit asks for an undisclosed amount of damages and also claims that an implied promise to consumers was breached when LivWell sold high-grade and medical-grade marijuana treated with unapproved . . .