Gaia Green Basalt Rock Dust (2kg)

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.