The floatation tank is a soundproof, light-less tank that holds subjects inside, allowing them to float in salt water set to skin temperature.
The floatation tank was first used by John C. Lilly during 1954 to test the effects of sensory deprivation on people. Also known as a sensory deprivation tank, the isolation tank Tucson is also used as a tool for meditation, relaxation and as an instrument in alternative medicine.
The Floatation Tank: How It Works
The first floatation tanks were considered uncomfortable. Subjects were completely submerged inside the tank, which required them to wear tight clothing and a type of breathing apparatus. Subjects often complained of discomfort from the clothing and the mask; in addition, the complete submersion also triggered many subject’s fear of drowning.
Modern floatation tanks utilize a much better form factor, in addition to salt water solution. Modern floatation tanks are generally made from plastic, glass reinforced resins and, in some cases, high quality acrylic and medical grade stainless steel.
Many modern floatation tanks use cartridge filtration or a surface skimmer for disinfection. However, these systems are usually utilized after subjects undergo a session to minimize room noise.
Some floatation tanks utilize a ring heating system, which is affixed to the outer walls of a tank. This causes warm water to rise around the edges of the tank’s pool, allowing the water to travel toward the center and then flow underneath the tank’s subject. The process ultimately helps keep the subject centered within the middle of the pool.
A solution of Epsom salt and water is utilized to increase water density, allowing subjects to float within the water. floatation tanks utilize different methods of sanitation; most use some type of chlorine, hydrogen peroxide or bromine solution to disinfect the salt water utilize in the tanks.
The Floatation Tank: How It’s Used
Subjects now float with their face above the water, while the rest of their head is submerged from the ears. This allows them to slip in a relaxed position while in the water. While submerged, hearing is reduced, since subjects also wear protective ear plugs.
A subject’s arms also float to their side, reducing skin sensation as the air and water within the tank are the same temperature as the skin. This allows the subject to essentially ‘meld’ with the tank’s environment, eliminating the familiar boundaries of their body.
In most cases, subjects enter the tank completely nude, as swimsuits may create uncomfortable stress points on the body while submerged. Subjects are expected to thoroughly shower before entering the tank, as well as showering after getting out of the tank to rid their body of the remaining epsom salt.
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