Glacial Rock Dust is a natural mineral product which is produced over many thousands of years by glacial action. A wide variety of rocks which contain a broad spectrum of trace minerals are collected and pulverized by the expansion/contraction action of the glacier. As the glacier recedes, it leaves behind deposits of "glacial moraine". These deposits are mined, dried, and screened for agricultural and horticultural re-mineralization.

Excellent source of readily available calcium, iron, magnesium and potassium pluce trace elements and micronutrients. Increases phosphorous availability and improves CEC. Apply 10-20 lbs per 1000 sq ft or 500-900 lbs per acre annually or as desired.