Water Holding Ability of Coco coir pots allows the roots to grow freely. Repotting or transplanting is very easy Beneficial pH Value Coco Coir is Packed with Nutrients Use Coco Coir as a Potting Medium. Coco Coir for Hydroponics System. Coco Coir can be recycled. Coir pots are biodegradable planting containers made from the fibrous husk of the coconut. Gardens looking for faster cultivation, an excellent root system and re-establishment without any shock from transplanting use Coco Coir Pots. Sizes for Coir Pots 3,4,5,6,8,,10,,12 .