Soil Geek - Coconut Coir Pith BlockCoco coir chips are 100% natural, organic growing medium harvested from coconut husks. This versatile substrate has multiple uses, including soil amendments, potting mixes, hydroponics, reptile bedding, worm bedding, and more. Its ability to improve and extended plan life by promoting air circulation, improving drainage, reducing root disease, and retaining water and nutrients make it a popular choice among home gardeners and commercial growers alike.