Magnesium Sulphate & Hot Tubs
Magnesium sulphate is the scientific name for Epsom salts. If the water in a hot tub contains magnesium sulphate, the solution will confer health benefits on those who bathe in it. However, it may not be so good for your hot tub.
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Relaxation
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Magnesium sulphate enhances the soothing effect of a bath in a hot tub. It relieves sore muscles and softens the skin, according to the Universal Health Institute.
Physiologically Important Minerals
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Both magnesium and sulphate are physiologically important to the human body. Magnesium plays a role in the normal functioning of nerves, muscles, insulin and more than 300 enzymes, according to the Universal Health Council. Sulfates contribute to the health of joints and play a role in the release of important digestive juices from the pancreas, says the School of Biosciences of the University of Birmingham.
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Nutrition through Bathing
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When bathing in a hot tub with a magnesium sulphate solution, both calcium and sulphate find their way into the blood stream of the bather. They enter the body through the skin, according to the School of Biosciences of the University of Birmingham.
Corrosion of Metals
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Hot tubs usually have metal parts that may suffer from the corrosive action of magnesium sulphate. The Epsom Salt Council advises hot tub owners to consult with the spa dealer to see whether an Epsom salt solution will harm the hot tub.
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References
- Physician Nutrition: Healthy Hot Tubs
- Epsom Salt Council: About Epsom Salts (MgSO4·7H2O)
- Epsom Salt Council: Report on Absorption of Magnesium Sulfate (Epsom Salts) across the Skin
- Epsom Salt Council: Sulfate and Sulfation
- Epsom Salt Council: Frequently Asked Questions
- Absolute Pool & Spa Services: FAQ Chemistry
