K-Mag Granular is a naturally mined fertilizer that delivers three essential nutrients in a single granular blend: 22% sulfur (S), 21.5% potassium (K), and 11% magnesium (Mg). This Langbeinite-based formulation supports robust early growth and steady nutrient availability, making it a reliable choice for organic gardening and soil rebuilding. It is OMRI-listed for organic use and designed to work with your existing soil without altering its pH. Rich source of sulfur, potassium, and magnesium to support strong roots, healthy foliage, and steady nutrient uptake OMRI-listed for organic gardening and soil amendments Granular format for precise, easy-to-measure applications PH-neutral performance — won’t change your soil’s pH Ideal for seedling starts, germination mixes, and soil reamendment projects Why it works in your system: Integrates smoothly with living organic soils and probiotic soil inoculants to bolster the soil food web Pairs well with Neem cake, organic potting soils, and other natural amendments to create a balanced, nutrient-rich base Versatile for use in containers, raised beds, and garden plots needing a targeted boost of S, K, and Mg Specifications and trust signals: Nutrients: Sulfur 22%, Potassium (K) 21.5%, Magnesium (Mg) 11% Certification: OMRI approved for organic use Soil compatibility: remains pH-stable and non-acidifying Brand: The Soil Makers What customers are saying: average rating 5.0 from 3 reviews, reflecting consistent performance and satisfaction with soil reamends and early-stage plant vigor. K-Mag is a naturally mined product that has readily available 22% S. (Sulfur), 21.5% K (potassium) & 11% Mg. (magnesium) This product is OMRI approved. This product will not change the soil PH.
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