Cutting Edge Solutions Grow, 2.5 galDescription CES GROW as a Key Component: CES GROW forms an integral part of the CES base three part system. Designed for use in the vegetative stage, GROW introduces extra nitrogen to foster growth, and potassium to amplify the plant's photosynthetic rate and energy distribution across the plant. Please note that GROW is exclusively used during the vegetative phase and is wholly excluded during the blooming phase. Specifications Length: 14 Inches