Volcanic Rock Dust is the perfect all natural amendment to remineralize your gardens and lawns!
Mined from the earths most powerful mineral factory, our rock dust will help your soil microbes proliferate and improve the insect resistance of your crops. Great in worm farms and compost piles alike.
Use at 50-150g per meter, more for depleted or compacted soils.
Analysis: Silica 50%, Potassium 3.39%, Phosphate 0.72 %, Magnesium 2.98 %, Iron 4.54 %, Nitrogen 0.04%, Zinc 0.01%, Calcium 5.83%, Magnesium 0.17%, Sulphur 2.61%, Copper 0.05%
Shipping notes - If our checkout system cannot find your address, you may only be offered "Local Pickup" as an option. Please select this option and we will send you an invoice for shipping withing a few hours of your purchase. Shipping rates are $8/500g, $10/1kg, $14/3kg & $18/5kg. Express options available. Sorry for any inconvenience.
