This OMRI listed low salt organic material is just what the name implies, Just Coir, actually coconut coir pith. We take the highest-quality coir available, rinse it to reduce salts and then reconstitute it from a compressed bale into a more user-friendly, ready-to-use product. Black Gold? Just Coir was formerly sold as Sunshine? Pro Just Coir and has become a popular product with hydroponic gardeners.