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Epsom Salt

PQ Corporation is one of the world’s leading producers of Epsom salt, or magnesium sulfate heptahydrate crystals.  We offer Epsom salt or magnesium sulfate heptahydrate crystals in USP, Technical, and Agricultural grades. Our USP grade Epsom salt crystals, through a variety of retail distributors, have provided consumers with comfort and relief for decades.

PQ Corporation is a member of The Epsom Salt Council.  For more information on the benefits and versatility of Epsom salt, please visit The Epsom Salt Council website at You can also catch up with us on facebook at, twitter at, watch videos on The Epsom Salt Channel on YouTube, or keep up with articles at Delicious

Custom Products

Can't find what you're looking for? Our engineers can work with you to customize our products to fit your specific needs!

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