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Sulfate of Potash 0-0-51 (OMRI Listed) 5 Pound Bag

Organic Sulfate of Potash
$10.12 each

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Natural Sulfate of Potash (K2SO4) is a natural potash mineral that contains 51 percent soluble potash and 18 percent sulfur. It also contains trace amounts of calcium and magnesium. Potassium is second only to nitrogen in terms of the abundance needed for plants. Many crops use as much as 250# of potash per acre per year.