Coconut coir bricks are composed of 3 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. Comes with 1 lb. of earth worm castings when mixed with coir the media is rich with enzymes and nutrient for you plants. 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 3-years. Is great for mixing into your soil mixtures and can be used as a standalone growing media or mixed with perlite， vermiculite， grow rocks or any of your favorite soil additives. 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 qt.， 2.5 cu. ft.， 68 l) of ready-to-use soilless media.

Optimum air to water ratio

Coir and earth worm casting is great for starting seedling and growing all plants

Increases nutrient retention and provides essential aeration

Coir expands to 5-times its packaged size

Great for outdoor and indoor gardening

100% organic coir fiber and earth worm castings

Coir is flushed of excess sodium and pH stable

Indoor or outdoor use containing only high-quality earthworm castings， Viagrow earthworm castings are a great soil builder， perfectly suited for indoors or outdoors， non-toxic and odor free， Viagrow earthworm castings are an excellent choice for houseplants， flowers， vegetables and more

Natural and odor free Viagrow earthworm castings contain no harmful chemicals， compost or other ingredients that will destroy your plants， Viagrow earthworms are fed a nutrient rich diet

Perfect soil amendment Viagrow earthworm castings fertilizer is natural， improves soil structure and aeration， adds significant beneficial microbial， bacterial activity， can be used as soil amendment， soil builder， soil conditioner and organic compost for your gardening