B.C. Boost, 4 lt Technaflora B.C. Boost, 4 lt (TFBCBST4L)B.C. Hydroponic Nutrients are a power-packed trio for nurturing generous vegetative crops and extraordinary floral growth. B.C. Boost, B.C. Bloom, and B.C. Grow are complete, professionally formulated, highly concentrated fertilizing agents. Unlike other brands, which include micronutrients in only one part of the formula, both B.C. Grow and ... — Ships from HF: OR, CA, CO, MI, PA USA....more info.