Ancient Minerals Magnesium Bath Flakes by Enviromedica.
Ingredients: Genuine Zechstein magnesium chloride flakes (and trace minerals)
One cup contains approximately 15 g elemental magnesium.
Ancient Minerals bath flakes are the dry flakes of magnesium chloride and other naturally-occurring trace minerals in a convenient and economical form for utilization in baths and foot soaks.
1.65 lb bag.