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What is Floating?

A float tank (also called an isolation tank or sensory deprivation tank) is essentially the perfect bath tub. They vary in size, but the typical tank is 8′ long and 4.5′ wide. Air is allowed to freely flow in and out, and the door never locks or latches.

It holds about 10″ of water, which is saturated with 850 pounds of Epsom salt. This creates a solution more buoyant than the Dead Sea, and you float on your back about half in and half out of the water.

The water itself is kept at the average skin temperature (93.5° F), which allows you to lose track of your body. The tank is sound proof and, when you turn off the light, completely dark.

No gravity, no touch, no sight, and no sound. Just pure nothing.

History of Floating

So where did these crazy tanks come from? Did we invent them? Yes. Well, no. What actually happened is that in 1954 a neuroscientist named John C. Lilly needed to eliminate incoming sensory information to create a control group for his experiments.

He ended up discovering that sensory deprivation has a load of benefits that far superseded whatever wild experiments he was doing.

By the 1970’s, the tank’s design had evolved from Lilly’s original laboratory chambers to the comfortable commercial tanks that we have now. This means you’re not submerged in the water with air tubes, you don’t have to wear a diver’s helmet with a black faceplate, and you don’t have to have experiments run on you.

Benefits of Floating

Getting rid of all sensory input allows the ‘constantly-make-sure-you’re-not-dying’ part of your brain to chill out for a second, allowing the creative, relaxed part of your brain to come out and play. Without the constant pressure of analyzing the world around you, your body lowers its levels of cortisol, the main chemical component of stress. Your brain also releases elevated levels of dopamine and endorphins, the neurotransmitters of happiness.

Not having to fight gravity lets your muscles, joints, and bones take a well-deserved break. Your body suddenly has loads of extra resources (usually spent supporting your weight, regulating temperature, and trying not to get speeding tickets), which it gets to focus on things like healing and resting.

Without old-man gravity pushing you down all the time, your spine lengthens an inch, chronic pain is relieved, and your muscles get to fully rest. Unlike lying on a mattress, lying in water allows blood to flow freely all throughout your body. There’s no need to readjust your position to get comfortable.

About 40 minutes into your float your brain stops producing its normal Alpha waves and starts churning out Theta waves. These are responsible for that ‘between-waking-and-sleeping’ state, and you make them naturally every night before you conk out. While it only lasts for a few sparse moments in your bed, you can achieve a prolonged Theta state in the tank, a state of consciousness that is usually only seen in children and people who have spent years practicing meditation.

Even the magnesium-based Epsom salts we use in the tank are good for you. They soften and replenish your skin, and help counteract the magnesium deficiency that most of us have due to depleted magnesium levels in our soil. They’re also kosher, just in case you want to float in water that has been blessed by a Rabbi.

NEW TO FLOATING? 

Read our Beginner’s Guide!

Beginner's Guide to Floating

Outside Cover

Beginner's Guide to Floating

Inside the Guide

Still Curious About Floating?

Our friends over at Mental Floss paid us a visit and did this wonderful video about their experience in a float tank.

 

Schedule a Float

$65 for a 90-minute float

(and if there’s no one scheduled in after you, we encourage you to stay in longer at no extra charge)

call 503.384.2620

– or –Schedule Online