Last updated: May 2026
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At a Glance: 10 Manufacturers Compared
| Rank | Manufacturer | Tank Type | Price Range | Verdict |
|---|---|---|---|---|
| 1 | Royal Spa / FloatLabs | Commercial pod | $25,000-$30,000 | Best for new float spa businesses |
| 2 | i-sopod | Commercial pod | $32,000-$38,000 (£26K RRP) | Best European-built workhorse |
| 3 | Zen Float Tent | Home soft-sided tent | $1,850-$4,249 | Only legit home pick under $5K |
| 4 | Sensory Plus (Wellness Lark) | Commercial pod | $18,000-$24,000 | Best budget commercial option |
| 5 | Apollo Plus | Commercial pod | $28,000-$34,000 | Best for Australia / Asia-Pacific |
| 6 | ExploraPod (Superior Evolution) | Commercial pod | $30,000-$36,000 | Best US-built filtration package |
| 7 | Oasis Relaxation Systems | Commercial cabin-pod hybrid | $15,000-$22,000 | Longest-running US builder |
| 8 | Float Tanks NZ (i-sopod NZ) | Commercial pod | $30,000-$36,000 NZD | Pacific Rim distribution only |
| 9 | Samadhi Tank Co | Commercial fiberglass tank | $12,000-$18,000 | Original 1972 design, still shipping |
| 10 | The Pure Pod / Ocean Float Rooms | Commercial cabin / room | $30,000-$100,000 | Best premium destination-spa room |
How We Compared: Commercial vs Home
Float tanks split into two markets. Commercial units run $25,000-$50,000 before salt. True home options barely exist — only the Zen Float Tent under $5K is practical.
The reason is salt load. A commercial unit holds 1,000-1,200 pounds of pharmaceutical-grade Epsom salt in 200-300 gallons of water (Royal Spa, 2026). That slurry is corrosive and impossible to drain into household plumbing.
1. Royal Spa / FloatLabs — Commercial Pod (Verdict: Best for new float spa businesses)
The Royal Spa unit is the workhorse of the U.S. commercial market. Royal Spa, based in Indianapolis, has been building hydrotherapy equipment since 1984. Interior dimensions run 96" x 56" with a domed ceiling that accommodates floaters up to 6'4" without contact (Royal Spa, 2026).
Standard package includes a 3000W titanium heater, dual UV-C plus ozone sanitation, 180-gallon water capacity, and a chemical-resistant gelcoat shell (Royal Spa Specs, 2026). The unit runs on 240V and pulls roughly 15 amps under load. Salt requirement is 1,000-1,100 lbs.
Base price runs $25,000-$30,000 depending on options. Add $4,000-$6,000 for freight and on-site assembly. Warranty is 5 years structural, 2 years on parts. Lead time is 8-10 weeks. The Float OS™ remote-management software (Float OS, 2026) lets multi-unit centers control temperature, filtration, and lighting from one dashboard. Best for new centers expecting 8-15 sessions per unit per week.
2. i-sopod — Commercial Pod (Verdict: Best European-built workhorse)
The i-sopod, built by Leisure Float Ltd in the UK, is the most-installed commercial unit in Europe. Exterior dimensions are 8'6" x 5'7" x 4'3" with interior space for a 6'2" floater (i-sopod Technical Details, 2026).
The unit holds 1,000 liters of water and 550 kg of Epsom salts (1,210 lbs) (i-sopod FAQs, 2026). U.S. units configure for 240V North American wiring. Estimated monthly operating cost for salt, chemicals, and electricity is £45 (~$57 USD).
UK RRP is £26,000 as of 2026 (i-sopod listing, 2026), translating to roughly $32,000-$38,000 landed in the U.S. Warranty is 2 years on parts, 3 years on fiberglass surface, and 10 years on structural integrity. Lead time is 12-16 weeks from UK. Best for centers that prioritize uptime and long-term build quality over Instagram aesthetics.
3. Zen Float Tent — Home Soft-Sided (Verdict: Only legit home pick under $5K)
The Zen Float Tent is the one product on this list that fits a residential install. Launched via Kickstarter in 2014, it's an inflatable double-layer vinyl tent on a 4' x 8' footprint that assembles in a basement or spare bedroom (Zen Float Co, 2026).
Standard package starts at $1,850 for the tent alone, with the Ready Package at $2,900 and the full Complete Package at $4,249. It runs on a standard 110V outlet — no electrician needed. Salt load is roughly 850 lbs.
The pyramid roof channels condensation back into the tub instead of dripping on you mid-float (New Atlas, 2025). Tradeoffs: the vinyl liner needs replacement every 3-4 years, build is not commercial-grade, interior headroom (60") feels tight for floaters over 6'0". Best for home users with sub-$5K budget and tolerance for a soft-sided product.
4. Sensory Plus (Wellness Lark) — Commercial Pod (Verdict: Best budget commercial option)
Wellness Lark builds the Sensory Plus unit (Wellness Lark, 2026). It's a Chinese-manufactured fiberglass shell with a feature set that mirrors the Royal Spa at roughly 60% of the price. Interior dimensions are 92" x 56" x 52" with a 3000W titanium heater and dual UV-C + ozone sanitation.
Base pricing runs $18,000-$24,000 depending on options and import path (Float Tank Solutions, 2026). Lead time is 8-12 weeks via container freight from Guangzhou. Salt capacity is roughly 950 lbs in 240 gallons.
The catch is service. Wellness Lark does not maintain a U.S. service network — warranty parts can take 4-6 weeks to ship. For first-time operators bootstrapping in a smaller market who can tolerate longer service times, the Sensory Plus gets you to revenue at half the capital exposure of a Royal Spa or Dreampod.
5. Apollo Plus — Commercial Pod (Verdict: Best for Australia / Asia-Pacific)
Apollo Float Tanks is 100% Australian designed and manufactured by Float Industries Australia, with 20+ years in the market and exports across Asia-Pacific (Apollo, 2026). The Plus is their flagship commercial unit, interior dimensions 94" x 58" x 50" and salt capacity 1,000 lbs in 250 gallons.
Pricing runs $28,000-$34,000 AUD before install. Standard package includes a 2500W titanium heater, UV-C sanitation, and a 5-micron filter loop. Apollo also makes open-pool setups and portable units for hotel partnerships.
For Australian and New Zealand operators, Apollo is the obvious choice — local service network and AUD-denominated pricing that dodges currency risk. For U.S. operators, shipping adds $8,000-$12,000 and 14-16 weeks of lead time, which usually kills the value math.
6. ExploraPod (Superior Evolution) — Commercial Pod (Verdict: Best US-built filtration package)
Superior Float Tanks builds the Evolution unit out of Texas (Superior, 2026). Some operators call its export configuration the ExploraPod. The unit uses a separate filtration engine module — a freestanding cabinet housing the pump, heater, UV-C, ozone generator, and 10-micron filter bag outside the shell itself.
That modular design is the killer feature. When something fails (and in year 3-5, something always does), the technician services the engine module instead of cutting into the shell (Superior Evolution, 2026). Pricing runs $30,000-$36,000 for the unit plus filtration combo, with the optional Fiber Starlight Ceiling adding $1,500.
Interior dimensions are 96" x 58" x 54" with a 2500W heater. Lead time is 10-12 weeks from Texas. Superior also makes the Quest Open Float Pool ($23,900) for centers wanting a no-walls open-pool experience. Best for U.S. operators who want long-term serviceability.
7. Oasis Relaxation Systems — Commercial Cabin-Pod Hybrid (Verdict: Longest-running US builder)
Oasis Relaxation has been building float tanks since 1984 — 42 years and counting (Oasis, 2026). Their flagship Cloud Nine is a fiberglass shell measuring 99" x 56" x 45" exterior with 90" x 48" x 41" interior (Oasis Review, 2026).
The Oasis is self-contained — pump, filter, UV-C purification, and heater all integrated into the base (Aquatics International Oasis, 2026). The sloped roof reduces condensation drip, and the manufacturer claims the UV system allows the solution to run 1-2 years between full water changes.
Pricing runs $15,000-$22,000 new, with used units commonly available on the secondary market for $5,000-$10,000 (Buy Sell Trade, 2026). This is the longest-tenured U.S. builder still shipping product. Aesthetics are dated, but Oasis units routinely run for 20+ years. Best for tertiary markets that want lowest capital exposure.
8. Float Tanks NZ (i-sopod Distribution) — Commercial Pod (Verdict: Pacific Rim distribution only)
What was once branded the FPNZ unit is now the New Zealand distribution arm for the i-sopod (Float Culture, 2026). Specs are identical to the European i-sopod — 2580mm x 1650mm x 1300mm exterior, 1,000-liter water capacity, 550 kg salt load.
Pricing in New Zealand runs $30,000-$36,000 NZD installed. Lead time is 14-18 weeks shipping from the UK. There is no longer an independently designed NZ-built unit — operators looking at locally manufactured equipment should evaluate Apollo from Australia instead. For NZ operators inside the distribution radius, this is the path of least resistance.
9. Samadhi Tank Co — Commercial Fiberglass Tank (Verdict: Original 1972 design, still shipping)
Samadhi Tank Co, founded by Glenn Perry in 1972, built the world's first commercial float tank to specifications from Dr. John Lilly (Samadhi, 2026). In 1973 Glenn added Epsom salt to create the first commercial float tank as we know it today. The company is still shipping the same fundamentally simple design.
The Classic Samadhi is a no-frills fiberglass shell with manual heat and salinity controls — no LEDs, no Bluetooth, no integrated audio (Samadhi Classic, 2026). Pricing runs $12,000-$18,000 for the base unit. Payment terms are 50% down with order, balance two weeks before shipping.
Build quality is the legendary part. Samadhi units routinely show up in 30-year-old centers still running fine (H2Oasis, 2025). No fancy filtration, no electronics to fail — just fiberglass, a heater, a pump, and salt water. Best for traditionalist operators and second-unit purchases where bulletproof simplicity beats features.
10. The Pure Pod / Ocean Float Rooms — Commercial Cabin Room (Verdict: Best premium destination-spa room)
Ocean Float Rooms (sometimes referenced as "Pure Pod" in the Australian market) builds the highest-end commercial experience on this list (Ocean Float Rooms, 2026). These are walk-in rooms with 6'6" (1.98m) of internal headroom, modular construction, and 4" of sound and thermal insulation inside and out (Ocean Single Room, 2026).
Pricing runs $30,000-$100,000 USD depending on size, finishes, and customization (Float Valley, 2026). The room format eliminates claustrophobia complaints entirely — clients walk in, close a door, and float in what feels like a private spa suite. Operational cost runs $50-$130 per month.
Lead times are 16-20 weeks and freight from Australia adds significant cost for U.S. installs. For destination spas, hotel partnerships, and premium urban centers charging $150+ per session, the room format commands a price premium that justifies the equipment cost.
Frequently Asked Questions
Should I buy a commercial unit or a home tank for personal use?
For personal use only, the math rarely supports commercial gear. A Royal Spa Float Pod at $30K plus $4,000 install plus $1,500 in salt is $35,500 before your first float. The Zen Float Tent at $4,249 gets you 90% of the experience for 12% of the cost. The exception is if you plan to operate as a side business — at $89-$120 per outside-client session, a commercial Float Pod can pay for itself in 18-24 months (Float Tank Owner Income, 2026).
What's the realistic ROI on a commercial float center?
Mature centers running Float Pod, Dreampod, or Samadhi Tank gear achieve net profit of $50,000-$150,000+ per year, with margins of 15% to over 35% (Vitality Stride, 2026). A four-unit Float Pod center can exceed $500,000 in annual gross revenue. Typical breakeven is 3-5 years on initial $200K-$500K capital investment, though some lean operators hit profitability inside 13 months (Financial Models Lab, 2026).
How much time does maintenance actually take per week?
Plan on 30-60 minutes per unit per week for routine maintenance — filter checks, water quality testing, salt density adjustments, surface cleaning. Add 2-3 hours per quarter for deep cleaning and UV bulb checks. A three-pod center should budget one part-time staff position purely for maintenance. Samadhi Tank units with their simpler manual systems run closer to 20-30 minutes weekly.
What does salt cost over a year for a commercial unit?
A single Float Pod uses 1,000-1,200 lbs of pharmaceutical-grade Epsom salt at initial fill. Pharmaceutical-grade Epsom runs roughly $0.50-$0.80 per pound bulk, so initial fill costs $500-$960 per Float Pod. Annual top-ups average 50-100 lbs per unit, or $25-$80 per year. Total monthly operating cost runs $50-$130 across Float Pod, Dreampod, and Samadhi Tank installs (Ocean Float Rooms, 2026).
What does install actually require — power, plumbing, floor load?
Commercial units need 240V single-phase 30-amp service, a drain capable of handling 300 gallons of saltwater discharge during full water changes, and a floor rated for 3,500-4,500 lbs filled weight. HVAC matters too — float rooms run 90-95°F ambient with high humidity, so dedicated exhaust ventilation is standard (Float Tank Solutions, 2026). Budget $4,000-$8,000 for install on top of the unit purchase.
Bottom Line: Related Reading
- Best Two-Person Float Tanks for Couples 2026
- Home Float Tank Cost and Setup Guide 2026
- How to Build a Home Float Tank: Costs and Permits 2026
-- The Float Finder Team
META_DESCRIPTION: Compared: 10 float tank manufacturers from FloatLabs to Samadhi. Tank type, dimensions, filtration, price, and verdict for each in 2026.