The 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. 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.