Natural plus coco peat composted, coir fiber dust block: the 100% organic growing media and soil conditioner, composted coconut fiber peat, organically improves soil structure and fertility, encourages increase action by bacteria to produce natural humus, puts the body into light soils and improves water holding capacity, provides better drainages and aeration clay soils, improving workability, already well composted so planting and sowing can take place right away, steam sterilized at 1000 C.