Magnesium sulfate, commonly referred to as Epsom salt, is the magnesium salt of sulfuric acid. It is made by dissolving ...

You likely have a long-forgotten bag of Epsom salt sitting by the tub or tucked away in a closet. We share if it can go bad ...

Epsom salt, or magnesium sulfate, has a long history of use in gardens to supplement nutrients that the soil may be lacking.