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From the waters of the Great Salt Lake in Utah, Great Salt Lake Minerals uses environmentally responsible processes to produce sulfate of potash specialty fertilizer. Sulfate of potash, also known as potassium sulfate or SOP, provides the essential nutrients potassium and sulfur with virtually no chloride. This makes it a vital fertilizer for high-value crops such as vegetables, fruits and nuts, as well as for turf grass and horticulture.

GSL also produces Chlori-Mag, an efficient specialty nutrient for wheat growers in many parts of the country.

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Go Organic!

OMRI Listed

GSL sulfate of potash is an OMRI-listed, organic-approved product. Find out why we call it The Natural Choice.

OMRI LISTINGS
HOW ITS MADE

GSL Products

Oranges

At GSL, sulfate of potash is our business. We are the primary North American producer of SOP. For all crops and all application methods see:

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9900 W. 109th St., Suite 600, Overland Park, KS 66210 | Phone: 913-344-9200