General Hydroponics RapidStart Root Enhancer, 55 GallonRapidstart, strong finish; bigger is always better! RapidStart is a proprietary blend of nutritive plant extracts and minerals that promote explosive root growth. Using RapidStart encourages the formation of fine root hairs and lateral root branching, which in turn will enhance plant vigor and yield RapidStart is highly concentrated and is best used during the vegetative through early flower phases when active root growth occurs. We recommend pre