Langbeinite - K-MAG - Sul-Po-Mag 50lb.
$41.99
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50lB. Weight Known as Langbeinite, K-mag, Sul-po-mag Contains sulphur, magnesium, and potassium Neutral Ph that will not alter microbial activity or nutrient availability Naturally Mined mineral containing water soluble sulfate form of potassium, magnesium, and sulfurs
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