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CloseBasalt 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.
Calcium (Ca)...................................... 1.7%
Magnesium (Mg)................................ 1.0%
Iron (Fe) .................................. 5.5%
Manganese (Mn) ................... 0.08%
Basalt
Gardens and landscapes: Broadcast and incorporate up to 3 kg per 10 m2 (6 lbs per 100 ft2). Apply up to a maximum of 12 kg per 10 m2 (24 lbs per 100 ft2) annually.
Transplanting and premixing soil for potted plants and planter boxes: 15 ml per 4 L (1 tbsp per gallon) of soil or growing medium. Thoroughly mix into soil or growing medium.
Top-dressing: Add 15 ml per 4 L (1 tbsp per gallon) of soil or growing medium. Gently dig into soil surface once a month.
Store in a cool, dry location, out of direct sunlight. Protect from frost and other climatic extremes. Seal packaging between uses.
