Cyco Grow B gives support to a plant's natural growth by supplying a range of primary, secondary and micronutrients, which are needed to give a plant the best possible growth and aids in fighting environmental stresses and enhancing vigor. Nutrients found in Grow A & B are balanced, highly bioavailable and easily absorbed and utilized. Grow A & B contain potassium, magnesium, phosphate, calcium and other elements all needed to aid in the growth cycle. Magnesium helps to activate many plant enzymes needed for growth. Every element in Grow A & B plays a role in helping to produce the best quality plant and growth rate.