B.C. Boost is a part of the power  packed nutrient trio of B.C. Hydroponic Nutrients for nurturing generous vegetative crops and extraordinary floral growth. B.C. Boost is a professionally formulated, highly concentrated fertilizing mix with added calcium and iron to bolster the B.C. Grow and Bloom of the trio. The balance of nutrients in this trio brings excellent growth and maximum yield. Plus, it has minimal pH drift, reducing the need for constant pH adjustments. The low salt content of this mix makes the clean up of your growing systems a snap. NPK = 3-0-2 with 3.2% Calcium and .04% Iron.B.C. Boost is a liquid fertilizer blend, which when used in conjunction with "B.C. Grow" or "B.C. Bloom" will provide essential elements to enhance both vegetative plant growth an flower development.