NPK-Industries is leading the Green Revolution with cutting edge products for the home gardener AND the commercial cultivator. For large scale operations, we can even do custom formulations for crops of all types. Our headquarters is in Medford, Oregon, which has a tremendous climate for outdoor growers, with a vibrant indoor grow/ greenhouse growing community. Our roots are in Northern California, blazing the trails since the early 2000's. We know what growers want, because that is who we are. We manufacture and distribute the products that we use in our own gardens. Clean. Simple. Technology.With NPK-University, we are providing on-demand AND live grow classes, at www.npk-university.com. Harley Smith is our Michigan based Research Director with over 20 years of experience as a researcher and teacher of plant science classes, specializing in hydroponics. Harley also teaches our NPK-University classes, which we do weekly. Get live answers, directly from Harley himself!