Green Sand contains iron, magnesium, silica, calcium, phosphorus, and is a known source of at least 30+ trace minerals. As a soil amendment, Green sand helps to loosen heavy dense clay soil. Green sand is highly recommended for amending new soil beds and when planting fruiting tress and shrubs. Derived from ocean-deposits of iron-potassium silicate, green sand helps to increase soil moisture absorption by up to ten times.
GUARANTEED ANALYSIS: Soluble Potash (K2O) 1.4%, Magnesium (Mg) 0.5%, Iron (Fe) 3.7%, Molybdenum (Mo) 0.01%, SiO2 65.70%.
Application Rates: Apply up to 5 - 10 lbs. per 100 sq.ft.
Ingredients: Green Sand (Glaucounite) Does not contain any additives or preservatives. Glauconite 37±6%, Quartz 46±6%, Mica(Muscovite) 4±1%, Feldspar 8±2%, Zeolite 4±1%, Chlorite 1±0.5% pH 8.01