RapidStart Rooting Enhancer by General Hydroponics provides a powerful blend of premium plant extracts, amino acids and nutrients that generate explosive root growth in plants of all kinds. Using RapidStart will stimulate prolific root branching and the development of fine root hairs that increase nutrient uptake which are the key to efficient nutrient uptake by the plant. Be careful thought, using RapidStart will make your plants explode! Use RapidStart during the entire growing cycle in all types of growing media, including coco, soilless mixes, and hydroponics. Always use General Hydroponics RapidStart for a strong finish; because when it comes to plant growth, bigger is always better!