Growth Science Nutrients - Rock Solid (0-4-4.5) : Bloom Booster (2.5G) Concentrated Liquid Bloom Booster formulated to help maximize yield. Contains elements scientifically proven to help the plant in its flowering phase. Utilizing the benefits of additional plant based proprietary ingredients, Rock Solid is designed to enhance the production of oils and terpene profiles, adding more value and marketability of your final product. More bang for your buck. We offer you the pinnacle of plant science at a fraction of the cost. Formulated for the beginning gardener who wants the maximum yield with a low learning curve yet flexible and easily tuned for the advanced gardener. Most manufactures separate ingredients into as many bottles as possible and charge a premium for branding, but the vast majority of growers are wising up to this and are looking for a high quality yet affordable solution. Growth Science is designed to be a simple to use nutrient regimen that contains everything needed to help achieve maximum yields of high quality finished product. Growth Science is optimized for soil, coco, and all hydroponic mediums.