CANNA Substra Vega is a professional fertilizer containing all the essential elements needed for optimal growing during the vegetative stage, in inert (such as rock wool) run-to-drain systems. In the beginning of the growing phase, the plant lays the foundation for its eventual yield. Advantages of CANNA Substra Vega CANNA Substra Vega promotes healthy and vigorous growth, which is vital for side shoots and robust root development. Substra Vega can be applied to all types of inert substrates such as rock wool Rich in nutrients readily available for plant uptake and includes all elements needed for successful growth Substra Vega is available in a hard water and a soft water version