Silicon Dionxide (SiO2) derived from volcanic tuff mined minerals unprocessed–76%
Planting: Mix ½-1 cup per 7.5 gallons of growing medium, or 4-8 ounces per cubic foot of growing medium. 100-200 lbs. per acre.
Feeding: Top dress plants with 2 tbsp. every 7–14 days as needed.
Compatibility: Can be used with most insecticides, fungicides, and herbicides. Works well with fertilizers.