1 Pound - Magnesium Sulfate - Anhydrous - 19.8% Mg
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Product Details
MgSO4.||This is not Epsom Salt which is the heptahydrate form.||Contains 19.8% Magnesium and 26% Sulfur.||Anhydrous magnesium sulfate is a source of magnesium and sulfur. It is also used as a desiccant, along with a lot of other uses.