Technaflora B.C. Bloom 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. B.C Grow and B.C Bloom contain a full complement of micronutrients, which are bolstered by the added calcium and iron in B.C Boost. This remarkable three-part fertilizer is easy to mix and control, with simple-to-follow mixing instructions printed on every label.