4.4 lb Deep Sea Minerals® Magnesium Flakes JarDe stress. Strengthen. Soak. Our naturally sourced magnesium chloride is only found 1500 meters underground in the ancient and pristine Zechstein Sea Bed. Formed 250 million years ago and protected from modern day pollution, its the purest source of magnesium chloride in the world. As it melts into a warm bath, it helps to relieve tired muscles, while easing tension in record time. Its delicate flakes drift into the steam like falling snow. Feel your