Give Your Plants a Phenomenal Grow Phase With This Proven 2-Part Base The most successful growers have spent many years relying on Sensi Grow to give their plants the edge during grow phase. Your plants use the nutrients in Sensi Grow to reward you with rapid growth, lush foliage, and sturdy structure. This 2-Part base is guaranteed to put a smile on your face. You get 1 Liter each of parts A+B.