Coco Coir is a high-quality hydroponic medium used successfully by a large section of growers. Coco Coir is the fibre covering coconut shells so is completely natural.
Because Coco coir has a light and airy structure its great for using in hydroponic systems as it has good water retention without becoming soggy. Coco coir contains naturally occurring fungus called, this will help with root development and prevent root disease. Grow and Harvest has coco coir available from manufacturers like Canna, Cyco, Vitalink, House and Garden and Ugro.