Coconut coir bricks are composed of three different types of compressed coconut coir. This 1.4lb (650g), high quality, low sodium, sterile growing medium is an alternative to sphagnum peat Moss & absorbs great amounts of water, lowering watering frequency. . When hydrated with water, bricks & blocks rapidly expand which saves you time & effort. They can be exclusively used by themselves, blended together or mixed with expanded clay pellets, perlite or topsoil. Better still, you can run it through a chipper & 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 2 Gallons/8 Quarts/7.5 Liters

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