Health and Wisdom. Magnesium flakes for Bath Crystals are an excellent way to supply the body with magnesium. The ancient minerals magnesium bath flakes Crystals are a highly concentrated dry form of Magnesium Oil. Magnesium Bath Crystals are beneficial in relieving Insomnia, Stress, Tension and Fatigue. Soaking in these magnesium bath flakes soothe nerves and provides relief in stress. These Bath Crystal are best for Women, the young, the middle aged, and the elderly and Virtually for everyone. These Magnesium flakes/Crystals aids to relieve back pain, muscle pain, and stiffness. These magnesium flakes for soaking provides help in Muscle, Joint and nerve related issues. " Add 2-3 scoops into hot bath water and soak for 15-30 minutes. The Net weight of this pack is 5.5 Pound (2.5 Kg), which lasts upto 45 baths.