Check the listing for details. NEW 100% Coconut Coir Block of Soilless Media 11 Lb. (5KG) Retail Nutrients. Condition: New. Listed at 20.50 USD. Coconut coir bricks are composed of three different types of compressed coconut coir. This high quality, low sodium growing medium is an environmentally friendly alternative to sphagnum peat moss. When hydrated with water, bricks and blocks rapidly expand which saves you time and effort. They can be exclusively used by themselves, blended together or mixed with expanded clay pellets, perlite or topsoil. The brick will break down on its own in three years. Better still, you can run it through a chipper and amend your soil with it. Incredibly strong, it makes a better candidate for use with enzyme products that convert roots to biomass. Each brick makes up to 18 Gal (72 Quarts, 2.5 Cu Ft, 68 Liters) of ready-to-use soilless media Optimum air to water ratio Increases nutrient retention and provides essential aeration Expands to 5 times its packaged size Great for outdoor gardening 100% organic coir fiber Flushed of excess sodium Details Bag Weight (lb.) 11 lb Ideal For Growing Flowers, Fruits & Vegetables Organic Yes Returnable 30-Day Soil Matter Organic Soil Type Specialty