The Grow formulation is specifically developed to cater to the needs of plants in their vegetative growth stage. Use at 1-2 ml/L of each of A and B solutions for seedlings and young plants. Begin to increase the dose rate once you see your seedlings or plants are established and actively growing. Use at 3-4 ml/L of each of A and B solutions for mature plants. For flowering plants, switch to Hydro Max Bloom A and B from Hydro Max Grow A and B when your plants show signs of flowering initiation. Hydro MAX Bloom Use at 3-4 ml/L. We recommend that you always maintain at least the minimum recommended dose rate for your plants stage of development. The base feed is the foundation of healthy plant growth. Carefully selected additive use can then maximize this potential – but it can never replace it. Available in 1L, 5L and 10L bottles. VitaLink's range of nutrients do not adversely affect the flavour of herbs, vegetables, salad, fruits and other plants grown for consumption. Enhance your plants growth by using VitaLink additives alongside Hydro Max A and B Grow and Bloom nutrients.