Rapid Start enhances your growing experience by delivering a powerful blend of premium plant extracts, amino acids & nutrients generating explosive root growth. Using rapid Start stimulates prolific root branching & development of fine root hairs that increase nutrient uptake & grow healthier, whiter roots. Using rapid Start will make your plants explode! Use during the entire growing cycle in all types of growing media, including coco. Rapid Start, strong finish; bigger is always better!.