B.C. Boost is part of B.C. Hydroponic Nutrients by Technafloraflora, which is a complete three-part, professionally formulated, highly concentrated fertilizer system. This power-packed trio has been specifically designed to nurture generous vegetative growth on crops and extraordinary floral growth. It includes; B.C. Boost, B.C. Bloom and B.C. Grow. Grow and B.C. Bloom contain a full complement of micronutrients, which are bolstered by the added calcium and iron in B.C. Boost. You will also find simple mixing instructions clearly printed on each label. This is a highly effective and complete fertilizing system. Quantity: 4 Liter.