Canna Nutrients Substra Soft Water Vega A, 20 LiterCANNA Substra Vega is a complete professional nutrient for the growing phase of plants. It is specially developed for growing in inert run to waste systems. In the beginning of the growing phase, the plant lays the foundation for its eventual yield. If you grow on a run to waste system, you need a plant nutrient that exactly suits the needs of this special growing method. The substrates used in run to waste are mostly inert (which means they don't add