Tripart Grow is the component of the Tripart series by Terra Aquatica with NPK values dedicated to the growth and early development phase of the plant. In combination with the other two components, namely Tripart Bloom and Tripart Micro Hard Water, it provides complete nutrition to your growing. From GHE's decades of experience, the terra aquatica fertilizer line was born, a trio of quality fertilizers that can be used for any type of cultivation.