Epsom (English) salt is an inorganic salt type containing magnesium, sulfur and oxygen. This type of salt has a coarse grained appearance. The most important feature of Epsom salt is that it has a bitter taste.
The total magnesium amount in its content is 9.78%, but magnesium does not dissolve directly in water, it dissolves as MgO (magnesium oxide). The amount of MgO dissolved in our analyzes is 16.03%.