Calcium (Ca) 1.7%
Magnesium (Mg) 1.0%
Iron (Fe) 5.5%
Manganese (Mn) 0.0%
• Basalt is a mineral-rich, volcanic rock high in magnesium, iron, calcium and silica.
• Gaia Green Basalt Rock Dust is mined from an ancient volcanic deposit in British Columbia, Canada.
• Finely ground rock dust to rapidly re-mineralize depleted soils and potting mixes.
• Contains a wide-range of trace elements to support both plant growth and soil biological activity.