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Why Float Tanks Use Magnesium Sulfate Specifically

By Trent Osborne · Float Spa Operator & Equipment Editor, Float Finder

Updated May 2026

April 12, 2026 · 17 min read

Last updated: April 2026

Disclaimer: This article is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before starting any treatment. Affiliate Disclosure: We may earn a commission when you purchase through our links. This does not affect our editorial independence.

Quick Answer

Float tanks rely on magnesium sulfate, commonly known as Epsom salt, for two primary reasons: to create profound buoyancy and for its purported health benefits. The super-saturated solution of Epsom salt and water makes the body weightless, allowing for a unique state of deep relaxation. This high concentration of magnesium sulfate, typically around 1,000 pounds in a commercial tank, is crucial for the experience [https://www.flotstone.com/post/magnesium-absorption-in-float-tanks-myth-or-medicine]. Beyond the physical lift, magnesium is a vital mineral involved in over 300 biochemical reactions in the body, which has led to the appeal of absorbing it through the skin during a float session. This combination of physical support and potential mineral replenishment has driven float therapy to become a multi-billion dollar global market, with 2026 industry analyses pegging the float tank segment alone at over $600 million and projecting double-digit annual growth through 2035 [https://www.businessresearchinsights.com/market-reports/float-tank-market-122025].

Why Do Float Tanks Use Epsom Salts?

Float tanks use Epsom salts primarily to create an incredibly dense, buoyant solution. This high density allows a person to float effortlessly on the surface of the water. The warm, buoyant environment in a float tank is specifically designed to facilitate deep relaxation by removing the sensation of gravity and external stimuli.

The core function of Epsom salt in a float tank is to make the water super-saturated. This means the water holds much more salt than it normally could. This saturation significantly increases the water's density. When a person enters this dense solution, their body displaces enough water to create an upward buoyant force greater than their body weight. This is what makes floating feel so easy and weightless. A typical commercial float tank contains around 1,000 pounds of Epsom salt [https://www.flotstone.com/post/magnesium-absorption-in-float-tanks-myth-or-medicine]. At 2026 bulk wholesale rates, that initial fill runs roughly $400 to $500, with prices fluctuating based on supplier, shipping distance, and whether the operator buys in pallets or super-sacks [https://bulkepsomsalt.com/wholesale-epsom-salt-float/]. This massive amount of salt is necessary to achieve the desired level of buoyancy, which is much higher than what can be achieved with regular saltwater or even the Dead Sea.

The absence of gravitational pull on the body is a key element of Restricted Environmental Stimulation Therapy (REST), the scientific term for float therapy. When muscles and joints are not working against gravity, they can fully relax. This reduces chronic tension and pressure points throughout the body. The warm, skin-temperature water also helps the body feel indistinguishable from the water itself, further enhancing the sensory deprivation experience. This womb-like environment is a major selling point for float therapy, attracting individuals seeking relief from physical aches, stress, and mental fatigue. The initial design of float tanks by John C. Lilly focused on isolating the mind from external input, and the buoyancy provided by Epsom salts is fundamental to achieving this state. The choice of Epsom salt, or magnesium sulfate, also links to the idea of potential health benefits, which we will explore in detail. Understanding the science of transdermal magnesium absorption is key to understanding the full appeal of these tanks [https://www.flotstone.com/post/magnesium-absorption-in-float-tanks-myth-or-medicine].

The specific chemical composition of Epsom salt, magnesium sulfate, contributes to its effectiveness. While table salt (sodium chloride) can also create buoyancy, magnesium sulfate offers additional properties that are often touted in the wellness industry. These properties include the potential for magnesium absorption through the skin, which many users believe contributes to muscle recovery and overall well-being. The combination of intense buoyancy and the perceived therapeutic benefits of magnesium makes Epsom salt the ideal choice for float tank environments. Without this specific salt, the experience of weightlessness and deep relaxation would be significantly diminished. Our analysis shows that the physical properties of Epsom salt are non-negotiable for the float experience, and 2026 wholesale suppliers now commonly offer USP-grade pharmaceutical magnesium sulfate in 50-pound bags and 2,000-pound super-sacks specifically marketed to float center operators.

What is Epsom Salt and Why is Magnesium Important?

Epsom salt is a chemical compound known as magnesium sulfate (MgSO4·7H2O). It is made up of magnesium, sulfur, and oxygen. This compound has been used for centuries for its medicinal qualities and offers many health benefits when used for floating [https://floatworks.com/journal/why-floatation-tanks-use-epsom-salts]. Magnesium itself is an essential mineral, playing a critical role in numerous bodily functions.

Magnesium is the second-most abundant element inside human cells and ranks as the fourth-most important positively charged ion in the body [https://floatworks.com/journal/why-floatation-tanks-use-epsom-salts]. This low-profile mineral is vital for good health and well-being. It is involved in over 300 biochemical reactions in the body. These reactions include supporting muscle and nerve function, regulating blood pressure, aiding in protein synthesis, and helping with energy production. Magnesium also helps regulate the activity of more than 325 enzymes and plays a vital role in orchestrating many bodily functions, from muscle control and electrical impulses to energy production and the elimination of harmful toxins [https://floatworks.com/journal/why-floatation-tanks-use-epsom-salts].

Modern lifestyles, chronic stress, and diets high in processed foods can lead to magnesium deficiency. Even soil depletion in agriculture can reduce the magnesium content in our food. When magnesium levels are low, people can experience various symptoms. These include muscle cramps, fatigue, sleep issues, headaches, and even anxiety [https://www.alteredstateswellness.com/blog/how-much-magnesium-do-you-absorb-in-a-float-tank]. Recent 2025 and 2026 dietary surveys continue to show that roughly half of U.S. adults fail to meet the recommended daily intake of magnesium, keeping deficiency a widespread concern and driving interest in alternative delivery methods. This widespread deficiency makes the idea of replenishing magnesium levels, especially through a relaxing soak in an Epsom salt float, very appealing. The hope is that magnesium can be delivered directly to muscles and cells without passing through the digestive system. For more details, see The science of transdermal magnesium absorption.

Magnesium's role in muscle relaxation is particularly relevant to float therapy. It acts as a natural calcium channel blocker, which helps muscles relax after contracting. Without enough magnesium, muscles can remain tense, leading to cramps and soreness. Soaking in magnesium-rich water is thought to help alleviate these issues. Beyond physical functions, magnesium also supports the nervous system, contributing to a sense of calm and reducing stress. It influences neurotransmitters that regulate mood and sleep. This is why many people report feeling more relaxed and sleeping better after a float session. The combination of the physical benefits of buoyancy and the potential physiological benefits of magnesium absorption makes Epsom salt a powerful component of float therapy. We understand the appeal of a natural way to support the body's essential functions, making the choice of magnesium sulfate in float tanks a logical one for wellness centers.

Does Magnesium Absorb Through the Skin in a Float Tank?

The idea behind transdermal magnesium absorption is that magnesium from the Epsom salt water can enter the body through the skin. This process would bypass the digestive system entirely. This concept is particularly appealing to people who experience gut issues or have poor nutrient absorption when taking oral supplements.

The skin is a semi-permeable barrier, meaning some substances can pass through it. We know that certain compounds, such as nicotine in patches, hormones, and some medications, can cross the skin barrier and enter the bloodstream. However, when it comes to minerals like magnesium, the data on transdermal absorption is more complex. While the skin does have some ability to absorb substances, the extent to which it can absorb magnesium in meaningful amounts during a float session is a topic of ongoing discussion and research. The claim is that float tank magnesium absorption is a legitimate health boost, directly delivering magnesium to cells that need it [https://www.flotstone.com/post/magnesium-absorption-in-float-tanks-myth-or-medicine].

Proponents of transdermal magnesium absorption suggest that soaking in high concentrations of Epsom salts, like those found in float tanks, creates an optimal environment for this uptake. The warm water may also play a role by increasing blood circulation to the skin, potentially enhancing the absorption process. The idea is that the magnesium ions, when in contact with the skin for an extended period, can diffuse through the skin layers. This method is often presented as a gentler way to increase magnesium levels compared to oral supplements, which can sometimes cause gastrointestinal upset or have variable absorption rates depending on an individual's digestive health. Our clients often ask whether transdermal magnesium absorption is real or just a wellness myth, which leads us to examine the scientific evidence.

The potential for direct delivery of magnesium to cells is a significant draw. It suggests that specific areas of the body, such as tense muscles, could benefit directly from the magnesium in the water. This targeted approach is a key part of the appeal for those seeking muscle recovery and pain relief. Compared to oral supplements, which are absorbed systemically and then distributed, transdermal application is thought to offer a more localized and steady uptake [https://portlandclinicofnaturalhealth.com/health-benefits-transdermal-magnesium-absorption-in-sensory-deprivation-float-tanks/]. However, the exact mechanisms and the quantity of magnesium absorbed through the skin remain areas where more definitive research is needed. Despite the ongoing scientific debate, the anecdotal evidence from float enthusiasts often points to positive effects attributed to magnesium absorption.

What Does Research Say About Transdermal Magnesium Absorption?

Research into transdermal magnesium absorption offers mixed but interesting insights. Some small studies suggest that magnesium levels in the body might increase after soaking in Epsom salts. This indicates that some absorption through the skin may indeed occur.

One pilot study, conducted in 2006 at the University of Birmingham (UK), claimed that serum magnesium levels increased after a week of daily Epsom salt baths. This finding generated considerable interest in the wellness community, supporting the idea that soaking could be an effective way to replenish magnesium. However, it is crucial to note the limitations of this particular study. It lacked a control group, which is essential for comparing outcomes between a treated group and an untreated group to ensure that any observed effects are due to the intervention itself. Furthermore, this study was never peer-reviewed, meaning it did not undergo the rigorous scrutiny by other experts in the field that is standard for scientific publications. These factors make its findings interesting but far from definitive [https://www.alteredstateswellness.com/blog/how-much-magnesium-do-you-absorb-in-a-float-tank].

Despite these early limitations, the concept of transdermal magnesium absorption continues to be explored. A 2016 laboratory study published in the journal Magnesium Research found that topically applied magnesium can in fact permeate the stratum corneum, and that hair follicles play a key role in ferrying magnesium ions through the skin barrier [https://pubmed.ncbi.nlm.nih.gov/27624531/]. A separate 2017 review in Nutrients ("Myth or Reality—Transdermal Magnesium?") concluded that while some absorption occurs, the quantities are often modest compared to oral intake, and that follow-up research is needed to clarify dose-response relationships [https://pmc.ncbi.nlm.nih.gov/articles/PMC5579607/]. More recent work has found a clinically relevant increase in serum magnesium after transdermal magnesium cream intervention, though the effect reached statistical significance only in a subgroup of non-athletes, suggesting individual baseline magnesium status matters [https://pmc.ncbi.nlm.nih.gov/articles/PMC5389641/]. Additional research also indicates enhanced bioavailability of magnesium when absorbed through the skin [https://portlandclinicofnaturalhealth.com/health-benefits-transdermal-magnesium-absorption-in-sensory-deprivation-float-tanks/]. This suggests that the skin may be a viable route for magnesium delivery, and that the body can utilize magnesium absorbed this way. The term "enhanced bioavailability" means that the magnesium absorbed through the skin is readily available for the body to use in its various biochemical processes. This is an important distinction, as absorption does not always guarantee utilization. For more details, see Float tank magnesium absorption research.

The scientific community continues to investigate how effectively magnesium can penetrate the skin barrier. The skin's outer layer, the stratum corneum, is designed to protect the body from external substances. For magnesium ions to pass through, they must navigate this protective layer. The 2016 follicle study is notable here: hair follicles and sweat glands only make up roughly 0.1 to 1 percent of total skin surface area, which physically limits how much magnesium can move through those pathways during a single 60-to-90-minute float [https://pubmed.ncbi.nlm.nih.gov/27624531/]. Factors such as the concentration of magnesium in the water, the duration of the soak, water temperature, and individual skin characteristics might all influence the rate and amount of absorption. While a definitive consensus on the exact quantities absorbed during a typical float session is still developing, the continued interest and some positive research findings suggest that the benefits may be partially true rather than a complete myth. When we compare float tanks to oral supplements or magnesium "oil" sprays, the research on transdermal absorption is complex, but the unique environment of a float tank, with its hypertonic concentration and extended skin contact, might provide an optimal setting for any potential uptake.

What Are the Other Health Benefits of Float Therapy?

Float therapy, also known as Restricted Environmental Stimulation Therapy (REST), offers a wide range of health benefits beyond the potential for magnesium absorption. These benefits largely stem from the unique environment created within the sensory deprivation tank. The deep relaxation achieved during a float session is a primary draw for many individuals seeking wellness solutions.

One of the most significant benefits is the complete elimination of gravity on joints. When you lie weightlessly in the super-saturated Epsom salt solution, your body is freed from the constant pull of gravity. This creates a womb-like environment where muscles and joints can fully decompress and relax. This relief from gravitational stress is particularly beneficial for people experiencing chronic pain, arthritis, fibromyalgia, or muscle soreness from exercise. The buoyancy allows the spine to lengthen and muscles to release tension that they might hold even when lying down on a bed. Studies indicate that transdermal magnesium application can reduce muscle stiffness [https://pubmed.ncbi.nlm.nih.gov/26343101/], further enhancing the physical relief felt during a float.

The sensory deprivation aspect of float therapy contributes greatly to mental and emotional well-being. By removing external stimuli such as light, sound, and the sensation of touch (beyond the feeling of the warm water), the mind enters a state of deep calm. This allows the brain to switch from a state of external focus to internal processing. Many users report reduced stress, decreased anxiety, and improved mood after a float session. This deep relaxation can also lead to better sleep quality, as the body and mind are more prepared for rest. The global float therapy market is a multi-billion dollar market when combined with adjacent wellness services, reflecting the widespread demand for these relaxation and wellness benefits [https://www.flotstone.com/post/magnesium-absorption-in-float-tanks-myth-or-medicine]. The float tank hardware and service segment alone is valued at roughly $0.64 billion in 2026 and projected to reach $1.92 billion by 2035 [https://www.businessresearchinsights.com/market-reports/float-tank-market-122025].

Beyond muscle relaxation and mental calm, float therapy has been found to stimulate lymph drainage [https://floatworks.com/journal/why-floatation-tanks-use-epsom-salts]. The lymphatic system is crucial for removing waste products and toxins from the body. The weightless environment and potential magnesium absorption may contribute to a more efficient lymphatic system, supporting the body's natural detoxification processes. This can lead to a feeling of lightness and improved overall well-being. The combination of physical relief, mental clarity, and potential physiological support makes float therapy a holistic approach to health. The unique benefits of sensory deprivation float tanks enriched with Epsom salts contribute significantly to their growing popularity [https://portlandclinicofnaturalhealth.com/health-benefits-transdermal-magnesium-absorption-in-sensory-deprivation-float-tanks/]. Our experience shows that clients often report a profound sense of peace and physical comfort that extends well beyond their session.

How Much Does a Float Tank and Its Epsom Salt Fill Actually Cost in 2026?

Operators and curious consumers often ask what goes into the economics of a float tank before magnesium even enters the conversation. In 2026, commercial-grade float tanks and pods range from roughly $10,000 for entry-level units to upwards of $30,000 for premium, spa-ready pods with automated filtration, UV sanitation, and climate control. Biohacker-focused retailers list pod models throughout that range, with most single-chamber commercial tanks clustering around the $15,000 to $25,000 mark [https://biohackersupply.com/collections/float-tanks-for-sale]. Open float rooms, which use a pool-style basin rather than an enclosed pod, can run higher once construction and waterproofing are factored in.

Epsom salt is the other major line item. A single commercial tank fill of approximately 1,000 pounds of USP-grade magnesium sulfate costs roughly $400 to $500 at 2026 bulk wholesale pricing, depending on the supplier, bag size, and freight distance [https://bulkepsomsalt.com/wholesale-epsom-salt-float/]. Centers typically top up salt every few weeks to replace what leaves with rinse water and swimsuits, and a full fresh fill is generally only needed during periodic deep maintenance. Factoring in salt, water treatment, electricity, and filtration maintenance, operators generally plan for a few hundred dollars per month in consumables per tank. On the consumer side, a single 60-to-90-minute float session in 2026 typically retails between $65 and $120 in U.S. metro areas, with membership packages and multi-session bundles dropping the effective price. These economics, combined with the broader Epsom salt market's projected climb from $2.35 billion in 2026 to $3.7 billion by 2032 at a 7.7 percent CAGR [https://www.researchandmarkets.com/reports/5665895/epsom-salt-market-global-forecast-2026-2032], suggest that float therapy's supply side remains stable and affordable enough to support continued category growth.

For homeowners weighing whether the math actually works at the residential scale, our Home Float Tank Cost in 2026: Setup, Salt, and Maintenance Reality breaks down the all-in numbers including ongoing salt, electricity, and upkeep.

Who Invented the Float Tank?

The isolation tank, the precursor to modern float tanks, was developed by John C. Lilly. He was an American physician, scientist, psychonaut, and philosopher who pushed scientific boundaries throughout his life.

John Cunningham Lilly was born on January 6, 1915, and continued his groundbreaking work until his death on September 30, 2001 [https://floatworks.com/journal/john-c-lilly-the-pioneer-of-floating]. His career was incredibly diverse, spanning various fields including physician, neuroscientist, psychoanalyst, psychonaut, philosopher, writer, and inventor [https://floatworks.com/journal/john-c-lilly-the-pioneer-of-floating]. Lilly's initial motivation for creating the isolation tank was to study the origins of consciousness by removing all external sensory input. He wanted to understand what the brain would do without any sensory stimulation, questioning how much of our consciousness is driven by external factors versus internal processes. For more details, see Health benefits of transdermal magnesium.

In the mid-1950s, Lilly began his experiments with sensory deprivation. His early tanks were quite different from the comfortable, spa-like environments we see today. They were essentially dark, soundproof tanks filled with warm saltwater, designed to completely cut off the senses. He would lie in these tanks for extended periods, observing the effects on his mind. His work in this area was foundational for understanding Restricted Environmental Stimulation Therapy (REST). While some of his later research, particularly involving dolphins and psychedelics, led to him being ostracized by parts of the scientific community, his invention of the isolation tank remains a significant contribution to both science and wellness [https://medium.com/timeline/he-went-there-dr-john-c-lillys-adventures-with-dolphins-drugs-and-aliens-c17d5e84c653].

Lilly's pioneering work laid the groundwork for the modern float therapy industry. His invention allowed for controlled studies of altered states of consciousness and the effects of extreme relaxation. Today's float tanks are direct descendants of his original design, refined for comfort and accessibility. We recognize John C. Lilly as the visionary who opened the door to the profound experiences offered by floatation therapy, fundamentally changing how we approach sensory experiences and mental states. His legacy continues to influence research and practice in the fields of neuroscience, psychology, and holistic wellness, even as the focus has shifted from pure scientific experimentation to therapeutic and recreational use. Roughly six decades after his first experiments, the global float tank market he seeded is now on track to nearly triple in size between 2026 and 2035 [https://www.businessresearchinsights.com/market-reports/float-tank-market-122025].

Frequently Asked Questions

What is the main purpose of Epsom salt in a float tank?

The main purpose of Epsom salt in a float tank is to create extreme buoyancy. This allows individuals to float effortlessly on the surface of the water, removing the sensation of gravity. A typical commercial float tank contains about 1,000 pounds of Epsom salt to achieve this high density [https://www.flotstone.com/post/magnesium-absorption-in-float-tanks-myth-or-medicine]. At 2026 bulk wholesale rates, that fill costs an operator roughly $400 to $500 [https://bulkepsomsalt.com/wholesale-epsom-salt-float/]. This weightless environment is key to the deep relaxation and sensory deprivation experience, and the magnesium sulfate specifically is chosen over cheaper salts like sodium chloride partly for its perceived wellness benefits and partly because it produces a denser, less irritating solution for skin and eyes.

Can magnesium deficiency cause health problems?

Yes, magnesium deficiency can contribute to various health problems. Magnesium is an essential mineral involved in over 300 biochemical reactions in the body. Low magnesium levels can lead to muscle cramps, fatigue, sleep issues, headaches, and even anxiety [https://www.alteredstateswellness.com/blog/how-much-magnesium-do-you-absorb-in-a-float-tank]. Modern lifestyles, chronic stress, processed-food-heavy diets, and even depleted agricultural soils all push intake below recommended levels, and 2025 and 2026 dietary surveys continue to show that roughly half of U.S. adults fall short of the daily magnesium target. Chronic low magnesium has also been linked in recent literature to cardiovascular strain, insulin resistance, and mood dysregulation, which is part of why interest in alternative delivery routes like float therapy remains high.

Is transdermal magnesium absorption proven by science?

The science behind transdermal magnesium absorption is mixed but increasingly supported. Some small studies suggest that magnesium levels might increase after soaking in Epsom salts. A 2006 pilot study claimed increased serum magnesium levels, but it lacked a control group and was not peer-reviewed [https://www.alteredstateswellness.com/blog/how-much-magnesium-do-you-absorb-in-a-float-tank]. A 2016 peer-reviewed study, however, confirmed that topical magnesium can permeate the stratum corneum, with hair follicles acting as a key pathway [https://pubmed.ncbi.nlm.nih.gov/27624531/]. A 2017 Nutrients review titled "Myth or Reality—Transdermal Magnesium?" concluded that some absorption is plausible but that oral intake still delivers far larger doses [https://pmc.ncbi.nlm.nih.gov/articles/PMC5579607/]. Other findings indicate enhanced bioavailability of magnesium when absorbed through the skin, though absolute absorbed quantities remain modest [https://portlandclinicofnaturalhealth.com/health-benefits-transdermal-magnesium-absorption-in-sensory-deprivation-float-tanks/].

How much Epsom salt is in a typical float tank?

A typical commercial float tank is filled with a very large amount of Epsom salt to create its super-saturated solution. This typically involves around 1,000 pounds (about 450 kg) of Epsom salt [https://www.flotstone.com/post/magnesium-absorption-in-float-tanks-myth-or-medicine]. This high concentration is what makes the water so dense that a person can float effortlessly on its surface, eliminating the feeling of gravity. At bulk wholesale pricing, operators spend roughly $400 to $500 on that initial fill, then budget for ongoing top-ups to replace salt that is carried out with rinse water and swimwear between sessions [https://bulkepsomsalt.com/wholesale-epsom-salt-float/]. Most centers fully drain and refresh the solution only during periodic deep maintenance.

Who was John C. Lilly and what did he invent?

John C. Lilly was an American physician, scientist, psychonaut, and philosopher who invented the isolation tank, the precursor to modern float tanks. He developed it in the mid-1950s to study the origins of consciousness by removing all external sensory input, essentially trying to observe what the mind does when the body's senses are stripped away. Lilly pushed scientific boundaries from January 6, 1915, until his death on September 30, 2001 [https://floatworks.com/journal/john-c-lilly-the-pioneer-of-floating]. His original tanks were dark, soundproof chambers filled with warm saltwater, and later iterations evolved into the comfortable pods used in today's commercial centers. His work laid the foundation for modern Restricted Environmental Stimulation Therapy (REST) and for a global float tank market now valued at over $600 million in 2026 [https://www.businessresearchinsights.com/market-reports/float-tank-market-122025].

How much does a float session cost in 2026?

In 2026, a single 60-to-90-minute float session in most U.S. metro areas retails between roughly $65 and $120, with pricing varying by market, operator, and amenities. Most centers offer substantial discounts through membership programs and multi-session packages, which can bring the effective price per float closer to $40 to $70. Introductory first-float specials, often in the $49 to $59 range, remain a common acquisition tool. Operators price at this level because fixed costs per session, dominated by rent, staff, water treatment, and occasional Epsom salt top-ups (at roughly $400 to $500 per full tank fill at wholesale) [https://bulkepsomsalt.com/wholesale-epsom-salt-float/], are relatively modest once a tank is installed.

Sources

  1. https://www.flotstone.com/post/magnesium-absorption-in-float-tanks-myth-or-medicine
  2. https://www.alteredstateswellness.com/blog/how-much-magnesium-do-you-absorb-in-a-float-tank
  3. https://portlandclinicofnaturalhealth.com/health-benefits-transdermal-magnesium-absorption-in-sensory-deprivation-float-tanks/
  4. https://floatworks.com/journal/why-floatation-tanks-use-epsom-salts
  5. https://en.wikipedia.org/wiki/John_C._Lilly
  6. https://floatworks.com/journal/john-c-lilly-the-pioneer-of-floating
  7. https://pubmed.ncbi.nlm.nih.gov/26343101/
  8. https://medium.com/timeline/he-went-there-dr-john-c-lillys-adventures-with-dolphins-drugs-and-aliens-c17d5e84c653
  9. https://www.businessresearchinsights.com/market-reports/float-tank-market-122025
  10. https://www.researchandmarkets.com/reports/5665895/epsom-salt-market-global-forecast-2026-2032
  11. https://bulkepsomsalt.com/wholesale-epsom-salt-float/
  12. https://biohackersupply.com/collections/float-tanks-for-sale
  13. https://pubmed.ncbi.nlm.nih.gov/27624531/
  14. https://pmc.ncbi.nlm.nih.gov/articles/PMC5579607/
  15. https://pmc.ncbi.nlm.nih.gov/articles/PMC5389641/

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