FoxFarm Tiger Bloom Vicious Bloomer 2-8-4 is specially designed for both soil and hydroponic applications. An ultra-potent, fast-acting, high phosphorus fertilizer which stimulates growth and vigor. The low pH keeps it stable and ensures that the micronutrients will be available when plants need them. In addition to containing critical trace minerals, we brew our liquid fertilizer with earthworm castings and kelp meal for a biologically active formula. Tiger Bloom™ promotes abundant fruit, flower, and multiple bud set.