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K-mag Granular
$40.00
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.
Please Note: this product is hydroscopic and will absorb moisture from the air. This can cause it to solidify either in storage. It will still be soluble.