Gold Label Special Mix is the end result of over 20 years of continuous product development and listening to customer feedback. Special Mix is a hydroponic medium with a real difference. Try it and be amazed. Highly innovative product resulting from years of research Retains an ideal mixture of water and air for healthy root growth Great drainage – will not clump or become water-logged Made from only the finest materials for reliable quality Contains no nutrient - a suitable coco nutrient must be added from the first watering