Glacial Rock Flour: McKenzie River

Approved for organic production.

Natural basalt and andesite rock flour.

Naturally replenishes depleted soil minerals; stimulates plant growth.

Use on flowers, gardens, shrubs, lawns, and compost piles.

Available in convenient-sized 6 lb tubs.

A natural mineral product produced by thousands of years of glacial action. A wide variety of rocks containing a spectrum of trace minerals are collected and pulverized by the expansion/contraction action of the glacier. It replaces key soil elements, reversing soil depletion.  Source of slow-release calcium, iron, magnesium and potassium plus trace elements and micronutrients. Increases phosphorous availability and improves cation exchange capacity (CEC). Contains a broad range of trace minerals...minerals which have been slowly lost through the ages, by erosion and rain leaching. Apply 1-2 lbs per 100 sq ft