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Quest Float Tank Review: Commercial Pod Specs + Owner Costs

April 11, 2026 · 20 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, also known as sensory deprivation tanks, use 1000 liters of water and 550 kg of Epsom salts to create buoyancy for floating, according to information from i-sopod.com.
  • The i-sopod floatation tank is a "lightless, soundless tank filled with highly concentrated Epsom salt water heated to skin temperature" that helps achieve a meditative state, as detailed on i-sopod.com.
  • Some float tank brands like i-sopod have been in use for up to 14 years, with reports of lasting quality from multiple locations in Australia.
  • Dreampod float tanks offer financing options, including no payments for 90 days, then $515 per month.

Float tanks provide a unique environment for relaxation and mental rejuvenation, often called sensory deprivation or floatation therapy. These specialized tanks are designed to remove external stimuli, allowing users to enter a deep meditative state. We find that a typical float tank uses around 1000 liters of water and 550 kg of magnesium and sulphate-rich Epsom salts. This high concentration significantly increases the water's density and buoyancy, making it effortless to float. The i-sopod floatation tank, for example, is described as a "lightless, soundless tank" where the water is heated to skin temperature, creating an experience of weightlessness and isolation. Many wellness centers, like Floatworks in London, brand this as the "future of wellness," aiming to help individuals unplug from the constant barrage of information. Some i-sopod tanks have proven their durability, with reports of them being in use for close to 14 years and still functioning flawlessly. For those considering commercial options, Dreampod also offers robust tanks with financing options, including no payments for 90 days, followed by monthly payments of $515.

What is a Sensory Deprivation Tank?

A sensory deprivation tank is a specialized environment designed to minimize external sensory input. It is a lightless, soundless tank filled with highly concentrated Epsom salt water, which is heated to skin temperature. The primary goal of this setup is to remove all sights and sounds, creating a space where individuals can relax deeply and potentially reach a meditative state that rejuvenates both mind and body. This process is often referred to as floating or floatation therapy.

Understanding the Concept of Sensory Deprivation

The concept behind sensory deprivation is to create an environment where the brain has minimal external information to process. In our analysis, we see that by eliminating light, sound, and the sensation of gravity (due to the buoyant water), the mind can quiet down. This allows for a unique internal experience, where individuals can focus purely on their thoughts or simply let them drift away. The term "sensory deprivation" can sound intense, which is why many places have rebranded it as gentler-sounding "floatation therapy" or simply "floating." However, the core purpose remains the same: to provide a profound break from the overstimulation of daily life. The author of a Vice article, for instance, described their personal need to "unplug" from a "sewage tunnel of bad news" piped directly into their brain by their phone, highlighting the modern demand for such an escape Vice review of sensory deprivation tanks.

Different Names for the Tank

The evolving terminology around these tanks can sometimes cause confusion. While "sensory deprivation tank" is the scientific term, they are known by many other names in wellness and commercial settings. These include isolation tank, float tank, flotation tank, float pod, and even sensory attenuation tank. Despite the different labels, they all refer to the same basic technology and experience: a contained environment designed for reduced sensory input. Each name attempts to capture a different aspect of the experience, from the physical act of floating to the mental state of isolation or attenuation of senses.

The Science Behind Floating

Floating is made possible by a high concentration of Epsom salts dissolved in the water. We consistently find that float tanks typically use around 1000 liters of water and 550 kg of magnesium and sulphate-rich Epsom salts. This massive amount of salt is crucial because it significantly increases the specific gravity of the solution to approximately 1.27. This change in density is what provides the extraordinary buoyancy, allowing a user to float effortlessly on the surface, much like floating in the Dead Sea. The water is precisely heated to skin temperature, typically around 93.5 degrees Fahrenheit (34.2 degrees Celsius), further blurring the lines between the body and the water. This precise temperature aims to remove the sensation of touch, making it difficult to tell where the body ends and the water begins. The magnesium in the Epsom salts is also absorbed through the skin, which some believe contributes to relaxation and muscle relief. The combination of weightlessness, silence, and darkness creates an environment unlike any other, fostering deep relaxation and introspection.

The Role of Epsom Salts

Epsom salts are not just for buoyancy; they are also integral to the overall experience. Chemically known as magnesium sulfate, these salts are rich in magnesium, a mineral known for its role in numerous bodily functions, including muscle and nerve function, blood sugar control, and blood pressure regulation. While floating, the skin can absorb magnesium, which may contribute to the sense of relaxation and well-being reported by many users. The high salt concentration also creates a naturally sterile environment, which helps in maintaining the cleanliness and hygiene of the tank water. This chemical composition is what makes float tanks distinct from regular pools or baths, providing both the physical support for floating and potential therapeutic benefits from magnesium absorption.

How Does the i-sopod Tank Work?

The i-sopod tank is a specific model of sensory deprivation tank designed to deliver a complete floatation therapy experience. It is engineered to create an environment of minimal sensory input, helping users achieve deep relaxation and a meditative state. We observe that its design and operational features are tailored to enhance the user's journey into weightless peace and quiet.

Design and Filtration System

The i-sopod floatation tank presents a striking appearance, often described as a "hulking white space pod that looks like something from The Fifth Element." This futuristic aesthetic is not just for show; it contributes to the overall immersive experience. When the cover of the tank is opened, it reveals a pool of water that is "ominously churning." This churning is a clear sign that the filtration system is actively working. The i-sopod's filtration system is crucial for maintaining the purity and hygiene of the water, especially given the half a ton of Epsom salts dissolved within it. This constant filtration ensures that the water remains clean and ready for each user. The robust construction of the i-sopod is also a key feature; some customers have had their i-sopods for "close to 14 years," noting they are "still flawless in terms of the fibreglass," with only normal part replacements over the years. This longevity speaks to the quality of workmanship and construction.

The Floating Experience

Inside the i-sopod, the experience is carefully orchestrated to facilitate sensory deprivation. The water is heated to skin temperature, typically around 34.2 degrees Celsius (93.5 degrees Fahrenheit), which helps to eliminate the sensation of touch and temperature differences between the body and the water. This precise temperature, combined with the extreme buoyancy from the Epsom salts, creates a feeling of weightlessness. Users simply lie back fully and float effortlessly on the surface. For those new to floating, or for anyone who prefers it, there are options to customize the experience. Guests are given ear plugs if they wish to use them, and a woggle float is available to rest the neck on, if desired.

Customizable Features for Comfort

The i-sopod tank offers several customizable features to ensure user comfort and control throughout the session. One significant feature is the adjustable lid. Guests can choose to leave the lid fully open, partially open, or completely closed. This flexibility is particularly helpful for first-time floaters, who might prefer to start with the lid open to ease into the sensation. As they become more comfortable, they can gradually pull the lid down to experience complete isolation. The lid is lightweight and designed to be easily pushed open from inside the pod, ensuring that users always feel in control and can exit if needed. Additionally, users can select the color of mood lighting that glows within the pod. A therapist will show them how to adjust this, or can do it for them, before leaving them to enjoy their treatment. This control over the environment helps to alleviate any potential anxiety and allows users to tailor the experience to their personal preferences, whether they seek total darkness or a gentle ambient glow.

Preparation for an i-sopod Session

To maximize the benefits of an i-sopod float, some preparation is recommended. Floatworks co-founder Chris Plowman advises visitors not to drink caffeine or alcohol before their visit, as it "puts you in a state of alert." This recommendation aims to prevent any stimulating effects that could hinder the deep relaxation intended by the float. We also note that users are generally advised not to shave before a session, as the saltwater can sting freshly shaved skin. Taking time to arrive and "not running through the door" is also suggested, along with coming "with an open mind." These tips emphasize the importance of a calm and prepared mental state before entering the tank, setting the stage for a truly immersive and beneficial experience. The goal is to minimize any external distractions or internal agitation, allowing the float to be as effective as possible.

Why Do Wellness Centers Use i-sopod Tanks?

Wellness centers choose i-sopod tanks for their reputation for quality, durability, and the exceptional client experience they provide. These tanks are seen as a premium offering in the float therapy market, helping centers attract and retain clients seeking advanced relaxation and recovery solutions. Their robust construction and reliable performance contribute to a positive operational experience for the businesses themselves.

The "Future of Wellness"

Floatworks, a prominent center in Vauxhall, London, positions floatation therapy as the "future of wellness." This perspective highlights the growing recognition of sensory deprivation as a powerful tool for mental and physical well-being in an increasingly stressful world. Many places are rebranding "sensory deprivation" as gentler-sounding "floatation therapy" or simply "floating." This shift in terminology aims to make the concept more approachable and less intimidating for a broader audience. The focus is on the therapeutic benefits of floating, such as stress reduction, improved sleep, and mental clarity, rather than the more scientific or clinical connotation of "deprivation." For wellness centers, offering floatation therapy is a way to tap into the rising demand for holistic health solutions that address both mind and body. The i-sopod, with its modern design and advanced features, fits well within this vision of future-forward wellness.

Durability and Reliability

One of the most compelling reasons for wellness centers to invest in i-sopod tanks is their proven durability and reliability. We have seen customer testimonials highlighting the exceptional longevity of these units. For example, one user reported having their i-sopods for "close to 14 years," stating they are "still flawless in terms of the fibreglass." This kind of long-term performance is critical for commercial operations, as it reduces maintenance costs and ensures consistent service availability. Another customer, who operates multiple locations in Australia, has purchased 36 i-sopods and used them for 14 years, praising the product and the ongoing support. This speaks to the "quality of the workmanship in the fibreglass and how the unit is constructed," which is described as "another level compared to other float tanks that people have so many problems with after a few years." This robust construction means that i-sopods are "built to last," providing a reliable asset for businesses.

Customer Service and Support

Beyond the physical product, the support provided by i-sopod is frequently cited as a reason for its widespread adoption in wellness centers. Customers consistently report "flawless service throughout the process of purchase/deliver/aftersales." This includes receiving "expert maintenance advice" and "good solution for all questions" over many years. Even customers located across the globe, such as those in the US dealing with the UK-based company, commend their "prompt in responding and getting parts to us." This level of ongoing support is invaluable for businesses that rely on their equipment to operate smoothly. The i-sopod team is described as "very helpful and understanding with all my enquiries," guiding customers through any issues they encounter. This strong customer relationship fosters trust and ensures that centers can maintain their tanks effectively, minimizing downtime and maximizing client satisfaction.

Enhancing Client Experience and Business Growth

For wellness centers, the i-sopod tank is not just a piece of equipment; it's an investment in enhancing the client experience and driving business growth. The welcoming atmosphere created around the pod, often in a "candle-lit room specifically refurbished for this treatment," sets the stage for a premium experience. The option for guests to select mood lighting and adjust the lid gives them a sense of control and personalization. A NaturopathicClinic.ie customer noted that their first pod, purchased in 2022, "has given our clinic a more rounded and broader perspective to achieving a balanced health." This indicates how float therapy can broaden a clinic's offerings and appeal to a wider range of clients seeking holistic solutions. The positive reputation and aesthetic appeal of i-sopod tanks, often compared to "futuristic race pod[s] from a Tron movie," also contribute to their marketability and ability to attract new clients. These factors collectively make i-sopods a strategic choice for wellness centers aiming for excellence and sustained success.

What is the History of Floatation Tanks?

The history of floatation tanks traces back to the mid-20th century, emerging from scientific inquiry into human consciousness and sensory perception. The original concept was not initially focused on wellness as we understand it today but rather on psychological and neuroscientific research.

The Inventor: John C. Lilly

The first floatation tank was developed by John C. Lilly, an American neuroscientist and philosopher. Lilly's work in the 1950s at the National Institute of Mental Health laid the foundation for what would become sensory deprivation or floatation therapy. His initial goal was to explore the origins of consciousness and the effects of sensory isolation on the human mind. He theorized that by removing all external stimuli, the brain might enter a state where it could access deeper levels of consciousness or even heal itself. Lilly's pioneering efforts involved creating a dark, soundproof tank where subjects could float in saltwater, heated to body temperature, to minimize all sensory input. This radical approach was a significant departure from traditional psychological experiments of the time, pushing the boundaries of understanding the mind.

Early Experiments with Psychedelics

Lilly's research was not limited to just sensory deprivation. He was also known for his controversial and groundbreaking experiments involving psychoactive substances. He experimented with LSD and ketamine in the tanks, believing that the combination of sensory isolation and psychedelic drugs could unlock profound insights into the human mind and consciousness. These experiments were part of a broader counter-cultural movement in the 1960s and 70s that explored altered states of consciousness. While these early experiments were influential in the development of the float tank concept, modern float centers like Floatworks strictly advise against any such use, prohibiting caffeine or alcohol before a float to avoid "a state of alert." The focus has shifted from psychedelic exploration to therapeutic relaxation and mental clarity, emphasizing natural states of consciousness rather than chemically induced ones.

Attempts at Interspecies Communication

Beyond his work with human consciousness, John C. Lilly also had a deep fascination with animal intelligence, particularly that of dolphins. He attempted to use floatation tanks, or similar isolated environments, to communicate with dolphins. His belief was that if he could understand the mechanisms of consciousness in humans, he might be able to bridge the communication gap with other intelligent species. Lilly spent years researching dolphin communication and even developed a "dolphin house" where humans and dolphins could live together in an attempt to learn each other's languages. While his interspecies communication efforts did not yield the results he hoped for in terms of direct linguistic exchange, they underscored his expansive and unconventional approach to scientific inquiry. His diverse research interests, from neurophysiology to psychedelics and cetacean communication, highlight the adventurous spirit behind the invention of the floatation tank. Today, the applications of float tanks are far more grounded in personal wellness and stress relief, a significant evolution from their experimental origins.

Evolution to Modern Wellness Therapy

From its experimental beginnings, floatation therapy has evolved into a recognized wellness practice. What started as a scientific tool for exploring the mind has become a popular method for stress reduction, pain management, and mental rejuvenation. The "sensory deprivation" moniker, once a clinical description, has been largely replaced by the more inviting terms "floatation therapy" or "floating," reflecting its shift into the mainstream wellness industry. Modern float centers emphasize safety, hygiene, and a calming environment, providing a stark contrast to the more experimental and often unregulated nature of Lilly's early work. The focus is now on the accessible benefits of deep relaxation, mindfulness, and recovery for everyday individuals, rather than the extreme scientific exploration of consciousness. This evolution has made float tanks a valuable component of many wellness programs, offering a unique escape from the demands of contemporary life.

How Do i-sopod Tanks Compare to Other Brands like Dreampod?

When considering float tanks, both i-sopod and Dreampod stand out as prominent brands, each offering distinct features and benefits. While both aim to provide an effective floatation experience, they cater to slightly different aspects of the market and have varying design philosophies and business models.

i-sopod: Design and Longevity

The i-sopod tank is frequently lauded for its distinctive aesthetic and robust construction. Its design is often described as futuristic, with one customer stating it looks "like some futuristic race pod from a Tron movie." This unique visual appeal can be a significant draw for wellness centers looking to offer a premium and visually engaging experience. Beyond aesthetics, i-sopod tanks are known for their exceptional durability. Multiple testimonials highlight their long lifespan, with one user reporting that their i-sopods have been "flawless in terms of the fibreglass" for "close to 14 years." Another large-scale customer in Australia has purchased 36 i-sopod units and has been using them for 14 years, praising their quality and the ongoing support. This indicates a strong emphasis on enduring quality and reliable performance, which is crucial for commercial establishments that require minimal downtime and long-term investment value. The company also continually refines its products; customers who purchased earlier models in 2015 and new models in 2023 noted that the newer units "have more bells and whistles and have been modified to run smoother and quieter than the earlier models," showing a commitment to innovation while maintaining core durability. i-sopod float tank customer reviews confirm this.

Dreampod: Comprehensive Solutions and Business Focus

Dreampod, on the other hand, positions itself as a leader in the float tank industry, with a strong focus on providing comprehensive solutions for businesses such as spas, hotels, and gyms. We find that Dreampod emphasizes boosting recovery and performance, aiming to increase bookings, enhance client experience, and boost return on investment (ROI) for its commercial partners. A luxury spa owner, Sophia R., reported a "huge increase in customer retention since introducing float therapy" with the Dreampod VMAX, stating that the unit "practically pays for itself!" This highlights Dreampod's appeal to businesses looking for a clear financial return on their investment. Dreampod offers a "one-stop shop for all float equipment and financing needs," simplifying the expansion process for businesses. This includes options like "no payments for 90 days and then just $515 per month" for some models.

Technology, Durability, and Support Comparison

Both brands prioritize innovative technology and durability, but their approaches differ. Dreampod boasts "beautifully designed, user-friendly Dreampods" that enhance the client's wellness experience, backed by "robust, high-quality equipment built to last" through in-house production and a strong supply chain. While i-sopod also emphasizes quality and longevity, Dreampod explicitly highlights its comprehensive solutions and financing as key advantages for commercial clients. In terms of support, both companies receive high marks. i-sopod is praised for its "excellent reactivity, very good service, quality of exchanges by email and phone," even for international customers. Dreampod similarly emphasizes "exceptional support" as a core offering. The choice between i-sopod and Dreampod may come down to specific business needs, aesthetic preferences, and the level of integrated business support desired. i-sopod's long-standing track record of physical durability and design, contrasted with Dreampod's emphasis on comprehensive business solutions and financing, provides distinct options for commercial buyers.

Market Presence and Accessibility

Both i-sopod and Dreampod have a significant presence in the global float tank market. i-sopod's reach is evident from customers in Australia, France, and the US, all serviced from their UK base. Dreampod also serves a wide commercial audience, trusted by spas, hotels, and gyms. Accessibility to their products varies; Dreampod tanks, including models like the Dreampod Sport, are available through various retailers, with some listed on sites like mysaunaworld.com and rehabmart.com. We also find that Dreampod alerts potential buyers to "Beware Of Fake Dreampods," advising to "Always Ensure To Purchase From A Trusted Source," which indicates their market leadership and the presence of imitators. This suggests a robust and competitive market where both brands strive to differentiate themselves through quality, service, and business-centric offerings.

Can Float Therapy Help with Modern Anxiety?

Float therapy is increasingly seen as a valuable tool for managing modern anxiety, offering a unique escape from the constant overstimulation of daily life. The complete sensory isolation provided by float tanks creates an environment conducive to deep relaxation, which can significantly reduce stress and anxiety levels.

The Problem of Digital Overload

In our contemporary world, many individuals grapple with the pervasive issue of digital overload. The constant influx of information, often negative news about topics like Brexit, Trump, Kavanaugh, and climate change, can create a persistent state of anxiety. One individual described their phone as piping a "sewage tunnel of bad news directly into my brain," leading to a feeling of mounting panic when without it. This person even reported their hand contorting around a "phantom phone," with their thumb twitching as if scrolling through a "ghostly news feed" when they couldn't sleep. This illustrates the deep psychological impact of constant connectivity and the news cycle. The inability to "unplug" from these digital demands contributes significantly to modern anxiety, making it difficult to relax, focus, or achieve restful sleep. Float therapy offers a deliberate counterpoint to this constant stimulation, providing a space where these external pressures are completely removed.

Creating a Sanctuary of Peace

The core promise of float therapy is to create a sanctuary of "weightless peace and quiet." By eliminating all light, sound, and the sensation of gravity, the float tank environment allows the mind to disengage from external distractions. This profound sensory attenuation can help individuals quiet the mental chatter that often accompanies anxiety. Without the constant input from the outside world, the brain can shift from an alert, active state to a more relaxed, meditative one. This allows for a deeper level of rest than typically achieved in daily life. For someone constantly bombarded by notifications and news, entering a float tank can be a profound relief, offering a rare opportunity for genuine mental stillness. This stillness is not just an absence of noise but an active process of letting go of external worries and turning inward. i-sopod explanation of floatation tanks notes that the goal is drifting into a meditative state that rejuvenates your mind and body.

The Role of Relaxation in Anxiety Reduction

Deep relaxation is a powerful antidote to anxiety. When the body and mind are completely relaxed, the physiological responses associated with stress, such as elevated heart rate and muscle tension, can decrease. The weightless environment of a float tank removes all pressure points on the body, allowing muscles to fully release tension. The magnesium in the Epsom salts, absorbed through the skin, may also contribute to muscle relaxation and a sense of calm. This holistic approach to relaxation, addressing both physical and mental components of stress, can be highly effective in reducing anxiety symptoms. The experience allows the nervous system to reset, promoting a state of calm that can extend beyond the float session itself. Regular float therapy sessions can potentially train the body and mind to achieve this relaxed state more readily, offering a coping mechanism for managing ongoing anxiety.

Achieving a Meditative State

One of the key benefits of float therapy for anxiety is its ability to facilitate a meditative state. In the absence of external stimuli, the mind can more easily enter states of deep introspection and mindfulness. Even for those who struggle with traditional meditation, the float tank provides an environment where the body is so comfortable and free from sensation that the mind naturally quiets down. This can lead to profound insights, increased self-awareness, and a greater sense of peace. For individuals overwhelmed by anxiety, the mental clarity gained during a float session can be invaluable, helping them to process thoughts and emotions without judgment or external pressure. This unique opportunity for self-reflection can be a powerful tool in developing resilience against the stressors of modern life and fostering a more balanced mental state.

Frequently Asked Questions

What is the main purpose of an i-sopod float tank?

The main purpose of an i-sopod float tank is to provide a comprehensive sensory deprivation experience, allowing users to achieve deep relaxation and a meditative state. It does this by creating a lightless, soundless environment where the body floats effortlessly in highly concentrated Epsom salt water heated to skin temperature. This setup aims to rejuvenate the mind and body by removing external stimuli, helping individuals unplug from the constant demands of modern life. Customers have reported using i-sopods for up to 14 years, highlighting their reliable design for this purpose.

How much salt is used in a typical float tank?

A typical float tank uses a significant amount of Epsom salts to create the necessary buoyancy for floating. We consistently find that float tanks will use around 1000 liters of water and 550 kg of magnesium and sulphate-rich Epsom salts. This high concentration increases the water's specific gravity to approximately 1.27, making it easy for individuals to float on the surface without effort, similar to the Dead Sea.

Can I adjust the environment inside an i-sopod tank?

Yes, you can adjust several aspects of the environment inside an i-sopod tank to suit your comfort. Guests can select the color of mood lighting that glows within the pod. Additionally, the lid of the pod can be left fully open, partially open, or completely closed, and guests can adjust this throughout their treatment. The lid is lightweight and easily pushed open from the inside, ensuring users always feel in control of their experience.

Who invented the first floatation tank?

The first floatation tank was developed by John C. Lilly, an American neuroscientist and philosopher. His work in the 1950s focused on exploring the origins of consciousness and the effects of sensory isolation. Lilly even experimented with LSD and ketamine in the tanks and attempted to use them to communicate with dolphins, though modern float therapy centers have a much different focus.

Are there other float tank brands besides i-sopod?

Yes, there are other prominent float tank brands besides i-sopod, such as Dreampod. Dreampod is a leader in the float tank industry, trusted by spas, hotels, and gyms, offering comprehensive solutions, innovative technology, and durability. They also provide financing options, including no payments for 90 days, followed by $515 per month for some models, catering to commercial clients.

Sources

  1. Vice review of sensory deprivation tanks
  2. i-sopod float tank customer reviews
  3. i-sopod explanation of floatation tanks
  4. https://www.spabreaks.com/blog/why-it-works-isopod-treatments?srsltid=AfmBOopcGwhLuk7CrqiYcvDrRvxaSZ1O3FsJrbG_ES2V4HuwTD5kQlhz
  5. https://dream-pod.com/commercial-float-tanks/
  6. https://dream-pod.com/product-category/float-tanks/
  7. https://mysaunaworld.com/products/dreampod-sport-float-pod?srsltid=AfmBOooedVFX4Sz9RF3K6xaHh3X8hSW2Abjp7d4axHIiRF1Zif1zn_5Y
  8. https://www.rehabmart.com/brand/dreampod.htm?srsltid=AfmBOoop4udukMWBEEXmst7rfQ-uerRUsCAlj2uHq98eD2kH551dy892

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