Hydro Roots is a root strengthening ingredient that contains phosphorus and boron. The combination of these elements promotes nutrient absorption and strengthens the root system of plants. Shake well before use and add 1 ml per liter of water. Ideal for the flowering phase up to the fourth week in plants with short cycles. NPK: 0-20-0, Boron: 0.023%, Phosphorus: 20.47%