Pro Float Inc | What is Epsom Salt?
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What is Epsom Salt?

What is Epsom Salt?

You wouldn’t be the first to wonder what in the world is Epsom salt? Well, for starters, it isn’t actually salt. Epsom is a naturally occurring mineral compound of magnesium and sulfate, and it’s what we use inside of our float tanks. With over 1000 pounds of dissolved Epsom salt, occupants can float on top of the water, simulating a sense of weightlessness.

But besides being a buoyancy agent, Epsom salt is known for a long list of health benefits. Because magnesium and sulfate are so easily absorbed through the skin, floaters are left feeling rejuvenated each and every time they step foot in a float tank.

Let’s look at some of the benefits associated with Epsom salt!

Reduces Stress and Relaxes the Body

Aside from inducing all sorts of anxiety, stress depletes our magnesium levels and increases our adrenaline. An hour or more in a float tank is a great opportunity to replenish those levels and to come out feeling refreshed.

Relieves Muscle Pain

Along with reducing stress, Epsom salt is proven to relieve muscle pain and inflammation. This can work wonders after a long workout or with other body soreness. In fact, Epsom salt has also been known to help with headaches and heal cuts!

Helps Nerves Function Properly

Electrolytes are a kind of chemical present in the body that have many important functions, including muscle contraction and cell membrane stability. Epsom salt has been found to regulate electrolyte levels, ensuring proper function of muscles, nerves and enzymes.

Improves Blood Circulation

Epsom salt is also believed to improve blood circulation, helping to prevent heart disease and strokes.

Makes Insulin More Effective

Insulin is a hormone found in the body produced by the pancreas. It allows us to turn sugar from carbohydrates into energy, as well as keep our blood sugar from ever getting too high or too low. Epsom salt is said to increase the effectiveness of insulin in our bodies, helping to lower the risk and/or severity of diabetes.


In the world of sensory deprivation, you often hear about detoxification. The way it works is by the sulfates in the Epsom flushing toxins and heavy metals from your skin. Because your body is essentially like a sponge, the water in float tanks triggers what’s called reverse osmosis. This process actually pulls salt from your skin, as well as anything harmful along with it.

Other Applications

We could go on for days about Epsom salt, but instead, we’ll list some other applications you may be able to find use for. Epsom is also known to:

  • Treat symptoms of athlete’s foot
  • Treat toenail fungus
  • Help remove splinters
  • Reduce pain associated with gout
  • Remove foot odor
  • Exfoliate the skin

Around the House

More of a fun fact here, but Epsom salt can also be used around the house in a variety of ways. For instance, try mixing some with liquid dish detergent and using it to scrub your dirty bathroom tile. It will work like a dream! But that’s not all. Epsom salt can also be used as a fertilizer. Sprinkle some salt once a week to help nourish your houseplants, flowers, and vegetables.
Float tanks are already a fantastic form of therapy, but the Epsom salt in the water makes them that much better. Learn more about float tanks on our blog!