WASHED & BUFFERED COCOS is a substrate made from 100% high-quality Atami coco coir, washed and buffered, and contains no fertilizers, ensuring an incredibly low electrical conductivity (EC). This substrate offers you all the advantages of growing in coco, but without fertilizers, so you can apply your preferred nutrition from the beginning of the growth cycle. In addition, WASHED & BUFFERED COCOS is ideal for seedlings and cuttings.