Greensand has been used as a soil amendment and conditioner since the early 1700s.
Naturally occurring in marine sedimentary deposits, Down to Earth Greensand is derived from the mineral Glauconite, a rich source of Potash and Iron.
Greensand also has unique physical properties that are claimed to help loosen compacted clay soils and improve the moisture holding capacity of sandy loams.
Long lasting and usable for nutrient tea solutions, but yet slow acting for indoor gardens -- will only be available within 2-4 years.
All Natural Non-Animal Product. OMRI LISTED.