RapidStart by General Hydroponics helps your plants develop root branching and fine root hairs. This superior supplement is highly effective because the formula includes a powerful blend of premium plant extracts, amino acids, and nutrients that will stimulate explosive root growth. As a result of using RapidStart, your plants will experience increased nutrient uptake and grow healthier, whiter roots. It can be used during the entire growing cycle and in all types of growing media, including coco. RapidStart helps your plants build a strong healthy base and live a long healthy life! Use in professional greenhouses or hobby gardens. Quantity: 1 Liter.