Give your crops what they need when they need it most with Emerald Harvest Grow, Micro, Bloom 3-part base nutrient series. Grow, Micro, Bloom supplies plants with precise nutrient formulations that deliver the right amounts of nitrogen, phosphorus and potassium throughout the crop life cycle. In addition to regulating the amounts of N, P and K so that your high-yield plants flourish, Grow, Micro, Bloom provides a rich mix of trace elements such as magnesium, cobalt and molybdenum as well as many chelated micronutrients such as copper, manganese, zinc and iron.