Intrepid Trio is 100% natural langbeinite, a unique mineral with three essential nutrients in every granule. Trio provides a long-lasting, readily available source of low-chloride potassium, magnesium and sulfur ideal for fruit, vegetable and row crops grown in magnesium-deficient soils. Trio is certified Safe Feed/Safe Food, OMRI-listed and approved for organic farming. Comes in at 22.1% K2O and 11% Mg.
Permitted for organic use.