Espoma Organic Greensand
Espoma Greensand is the highest quality, all natural, non-burning, purest Greensand obtainable. Espoma Greensand is mined from natural deposits of glauconite. These deposits are of marine origin and are composed primarily of iron–potassium silicate, which gives it its bluish green color. Available in a 7.5 pound bag. Nutrient Value 0-0-0.1
