C3
Larger immersion cold plunge tub, River Mode™ adjustable flow rate, premium finishes. If you are 6'3"+ and want to fully spread your legs out, you can choose between a 66" and 72" tub size. Fully submerge up to your beck and even dunk your head.
The gold standard in cold therapy engineering.
Discover the key features behind the C3 ice bath tub.
Each of our cold plunge models is powered by a 1HP commercial chiller with precision-engineered Japanese compressors, delivering industry-leading cooling performance. Capable of bringing water temperatures down to 37°F faster than any plunge on the market. You can choose a range from 37°-70°.
The C3 ice bath offers two size options to fit your space. The 66" tub has a footprint of 73" x 49" x 29" (LWH), while the 72" tub measures 79" x 49" x 29" (LWH). Both sizes provide ample space for a premium cold therapy experience in a compact design.
All BlueCube plunges are equipped with 1.5" Spa PVC, designed to maximize water flow and ensure optimal circulation. This robust piping system enhances the efficiency of the cooling process, providing consistent and effective cold therapy with every use.
Our cold plunge tubs are crafted from 304 stainless steel, 14-gauge, ensuring exceptional strength, durability, and corrosion resistance. This high-quality material provides long-lasting performance and a sleek, modern look, making it ideal for both residential and commercial use.
The C3 ice bath is plug-and-plunge ready, Built for advanced cold therapy, the C3 ice bath requires a only a standard 120V 20-amp dedicated outlet, ensuring optimal performance. Simply plug and plunge for unmatched efficiency and reliability.
Each cold plunge model features an ergonomically designed tub, meticulously crafted to provide optimal comfort during your sessions. The contoured interior supports natural body alignment, ensuring a relaxing and immersive experience, whether you're focusing on recovery or relaxation.
All of our ice bath models are built with a patented Line-X® weatherproof outer shell, providing unmatched durability and protection. This advanced coating ensures resistance to harsh weather conditions, scratches, and wear, making it perfect for both indoor and outdoor use while maintaining a sleek and modern look.
Our cold plunge models are designed with energy efficiency and quiet operation in mind. Equipped with advanced anti-vibrational technology, they run smoothly and silently, ensuring minimal disruption to your environment. The energy-efficient systems reduce power consumption, making these tubs a sustainable choice for your cold therapy needs.
Proudly made in the USA, our ice bath tubs are crafted with precision and care to ensure the highest quality standards. Each unit is built using premium materials and advanced engineering, supporting local craftsmanship while delivering exceptional performance and durability you can trust.
We offer free delivery on all our cold plunge models, ensuring a seamless and hassle-free experience from the moment you place your order. Enjoy the convenience of having your premium cold plunge delivered right to your doorstep at no additional cost.
Engineered precision. Pinnacle performance.
Discover the technical innovation behind the C3 ice bath tub.
The C3 ice bath offers two full-immersion sizes to accommodate different needs. The 5.5 ft. option is perfect for users up to 6'6", while the 6 ft. option provides extra space for taller individuals or those who prefer a deeper, more expansive plunge.
The C3 ice bath features an advanced commercial-grade filtration system, utilizing a high-capacity 20-micron filter to maintain optimal water purity. Engineered for high-volume use, it ensures continuous circulation and superior water quality, making it the gold standard for both elite personal wellness and commercial applications.
Equipped with a 3-speed therapy pump, known as "River Mode," the C3 delivers a dynamic hydrotherapy experience that disrupts the thermal barrier for optimal cold exposure. With low, medium, and high flow rates, you can customize your plunge from a gentle chill to an intense, full-body immersion—designed for those who demand the best in cold therapy performance.
The C3 ice bath is available in four standard colors with the option for custom colors. Designed for premium performance and craftsmanship, its handcrafted walnut or mahogany wood top brings natural luxury and durability. Each tub is finished with Bluecube’s Line-X® weatherproof outer shell, providing rugged protection against the outdoor elements.
Each cold plunge model features an ergonomically designed tub, meticulously crafted to provide optimal comfort during your sessions. The contoured interior supports natural body alignment, ensuring a relaxing and immersive experience, whether you're focusing on recovery or relaxation.
Made for the cold, built for the bold.
Explore our American craftsmanship—from concept to cold plunge.
- USA Made
- Ergonomic tubs
- Ozone sanitation
- Multiple color options
- Temperature range 37°–70°F
Personal wellness. Professional performance.
Discover how the C3 cold plunge enhances wellness at home and performance in your business.
C3 for home
Bring peak wellness and recovery directly to your home. BlueCube’s C3 ice bath tubs bring luxury, performance, and wellness right to the comfort of your home. Designed for ease of use and lasting durability, BlueCube™ delivers an unmatched cold therapy experience to your personal space.
C3 for business
Make the BlueCube C3 Your Business Advantage. Attract health-focused customers, boost revenue, and outshine competitors. Expertly engineered for durability and easy maintenance, the C3 enhances client experiences—perfect for gyms, wellness & fitness centers, spas, hotels & resorts, contrast therapy centers, B&Bs, and more.
Blue Cube cold plunge tubs featured in
Warm wisdom to unlock the cold benefits
Discover how our community thrives with cold therapy designed for strength, resilience, and enduring wellness.
The impact of cold therapy, inside and out
Improve circulation
Enhance cardiovascular blood flow and oxygen delivery.
Improved metabolism
Stimulates calorie burn and supports a healthy metabolism.
Reduce inflammation
Minimizes swelling and soreness in muscles and joints.
Improve skin health
Supports circulation for healthier, more resilient skin.
Strengthen immunity
Activates immune response for overall health.
Boosts energy
Revitalizes body and mind for sustained energy.
Improve mood
Boosts endorphins to reduce stress and enhance well-being.
Improve sleep
Promotes relaxation and improves sleep quality.
Improve clarity
Sharpens focus and enhances cognitive function.
Relieve stress
Calms the nervous system and reduces cortisol levels.
Cold gets colorful.
Choose from premium colors to match your style or make a bold statement. Customize your BlueCube with your brand’s PMS color or a look that fits your home or business.
Explore custom colors
Why Blue Cube is the #1 recommended cold plunge tub in the market
Weather proof Line-X® frame
Patended X-Line Element-proof exterior coating.
Micron filtration and ozone
Keeps your water clean and sanitized.
Temperature control
Titrate across the warm and cold spectrum.
No Assembly required
Plug and plunge. It’s that perfect.
Energy efficiency
Powerful cooling, optimal energy efficiency.
Rapid cooling
Lowers 11–13°F per hour, maintains temps 24/7.
Made in the USA
Crafted with American precision and quality.
Veteran made
Designed and built by those who served.
Free shipping
Free curbside shipping continental 48 states
Live video customer support
Personal guidance from 20+ years of cold therapy expertise.
Aftercare & warranty
Every Blue Cube comes guaranteed
Simple maintenance
Easily drain water and change filters.
Lux living starts here.
Step into the C3 ice bath to harness the power of cold therapy and transform your well-being with unmatched performance and design.
BlueCube cold plunge tubs
Crafted for excellence—BlueCube™ Cold Plunge Tubs are more than just a wellness engine. Built with precision engineering, American-made craftsmanship, designed for both home and commercial spaces, each tub embodies precision, power, and presence.
C1
The standard of cold therapy excellence. 5’ full-body immersion with 1 HP Commercial Chiller and Hydro-jets with 3-speed adjustable flow rates. Designed for quiet, superior filtration and energy-efficient performance. Available in Line-X® finish and multi-colorways.
C2
Mastercraft lux design. Adjustable cold flow power. 5’ full-body immersion with 1 HP Commercial Chiller and Hydro-jets with 3-speed adjustable flow rates. Designed for quiet, superior filtration and energy-efficient performance. Available in Line-X®, Walnut, and Mahogany finishes and multi-colorways.
C3
The gold standard in cold therapy engineering. Full body immersion 5.5’ & 6’ with 1 HP Commercial Chiller, Japanese Compressors and Hydro-jets with 3-speed adjustable flow rates. Designed for quiet, superior filtration and energy-efficiency. Available in Line-X®, Walnut, and Mahogany and multi-colorways.
CM
Designed for Distance. Built to Perform. 4.5’, 5’ & 6’ sizes, the full-immersion Cold Tub is designed for wellness centers, gyms, hotels, spas & homes. Our modular system houses the chiller, pump, & filtration, with installation up to 60’ away. Available in Line-X® finish and multi-colorways.
FAQ
The BlueCube C3 includes complimentary curbside shipping in the continental United States, an insulated spa cover, starter filters, cleaning supplies, a 30-day satisfaction guarantee on standard models, and U.S.-based technical support.
• 3 Year Residential / 1 Year Commercial Warranty
• Insulated spa cover
• 3-month supply of filters
• 6-month cleaning kit supply
• 30-day refund guarantee (includes a restocking fee)
• Live U.S.-based technical support 5 days per week
The C3 comes with a 3 year bumper to bumper warranty for residential use, and a 1 year bumper to bumper warranty for commercial use. This warranty covers components, plumbing, electrical, labor, and shipping.
5 year extended warranties are available (lifetime protection program) for homes and businesses who follow maintenance schedules.
Live video call technical support is available Monday - Friday 9 am to 5 pm PST.
On-site technical support is available for both residential and commercial clients.
BlueCubes have large compartment areas that can be serviced by plumbers and pool and spa techs.
Yes. We provide a 5 year extended warrany for both residential and commercial clients. This entails adhereing to maintenance requirements—deep cleaning using biomaintain, cleaning the chiller, regular water and filter changes, and logging in these routines into your online BlueCube portal.
BlueCubes are beautiful and powerful. You will never outgrow your cold plunge.
Unique features:
- The Best Tub Materials
+ 14 guage 316 marine grade stainless steel (30% thicker than competitors)
+ American made Hemp and Fiberglass tub options are available
- Best in class warranty (see warranty FAQ)
- Magnetic driven pumps: silent and powerful, long lasting, Japanese Made
- BlueCube chilling motor with Wifi connectivity for temperature control
- Weatherproof exterior frame (Line-X® truck bed lining)
- Multiple standard color options and custom colors available
- Custom engraved logos
- Ergonomic tub for easy entry and exit (no stairs required, no bending the knees)
Yes, the C3 can be placed indoors or outdoors. The frames are weatherproof.
We do advise placing the cold plunge in the shade. They do come with insulative spa covers and can be placed in the sun if necessary.
66" Frame (LWH): 72.5" x 48.5" x 29.5"
66" Tub (LWH): 66" x 24" x 22"
72" Frame (LWH): 79.5" x 48.5" x 29.5"
72" Tub (LWH): 72" x 24" x 29.5"
The front part of the C3 (where the two giant vents are located) needs at least 18" of clearance for ventilation and filter access. The side vents need at least 8-12 inches of clearance.
The entire backside of the C3 can go flush against the wall.
Please reference the spec sheet or call / email sales@bluecubebaths.com for any clarification.
The C3 comes fully assembled and is plug-and-plunge after placed into position. It takes 10-15 minutes to fill the tub depending on your water pressure.
BlueCube orders are booked out months in advance. Please call sales or email sales@bluecubebaths.com to determine lead times.
The BlueCube arrives in a palletized crate, dropped off curbside. It comes fully assembled.
In order to unpack the BlueCube in a timely manner, you / your team will need screw guns. You can use a screw driver as well, it will just take longer.
We recommend four movers with moving dollies. The C3 is 29" in height and can be tilted on its side to pass through interior doors and narrow hallways.
Yes. BlueCube cold plunges are weatherproof and designed for indoor or outdoor use. Below 20°F ambient air temperature outside we recommend winterizing your BlueCube. We do offer freeze protection packages for extreme winter environments.
The C3 requires a 110 / 120 V 20 amp dedicated circuit. It comes with a GFCI plug that has one sideways prong. It looks like a winky face ;). Here is a photo of the plug. Make sure the outlet is large enough to fit this.
The C3 chills down to approximately 37°F and is designed for cold therapy.
There are no heating elements in standard BlueCubes. Spa heaters are available for an additional fee. Contact sales for details.
Our reccomendation is to have a dedicated cold plunge and a dedicated hot tub given how long it takes to heat and chill the water. It becomes impractical to wait several hours / an entire day to make a cold plunge into a hot tub and vice versa.
No ice is required. An integrated commercial-grade chiller maintains water temperature.
20-micron filtration and ozone sanitation keep water clean. Water is typically changed every 4 weeks for residential use. For commercial use, it is based on bather loads / number of cold plunges per day.
At 50 cold plunges + per day we recommend changing the water daily.
No chemicals are required. For commerical compliance, we can add chlorine drip systems on C3. For residential use, chlorine is not necessary and we advise against it.
For residential clients, we recommend changing the filter once per month.
For commercial clients, filter changes will be based on bather load / number of cold plunges per day. At 50 cold plunges per day, we reccomend washing / replacing filters daily.
Filters can be washed and reused 2-3 times (even more) prior to discarded.
We recommend using an Aqua Comb to clean your filters.
https://www.aquacomb.com/spa-aqua-comb/
https://www.amazon.com/Aqua-Comb-Pool-Cartridge-Cleaner/dp/B00GS580BC
Soak the filters in a bucket of 1:1 vinegar and water solution overnight. Power wash again and then place it back into the recommend.
An automated chlorine drip system option is available for the C3 in both the 66" and 72" tub sizes. It is not part of C3 standard builds.
The C3 does not come with a skimmer in the standard build. However, it is an add-on feature. This is not available on C1s or C2s.
We advise against Epsom salt and essential oils to ensure longevity of the cold plunge.
Other companies may support this. This leads to excessive wear and tear of components.
You can buy maintenance supplies directly from us, Amazon, Spa Depot, and other online retailers.
If you sign up for our extended warranty, you will get supplies automatically shipped to your home or business.
Yes, you can customize your C3 cold plunge with an engraved logo of your choosing. You can also select a custom color of your choosing. We match colors through pantones or through a physical sample that you send us.
The C3 not only has robust constant circulation like the C1, but has two additional gears of hydro-agitation, including River Mode™. This provides the full weight rack of cold therapy—titrate your experience across temperature and flow rate.
Constant circulation is at 18 GPM or 1080 GPH.
The entire tub is filtered and ozonated at 10 times per hour, or every 6 minutes.
River Mode adds an additional 21 GPM, or 1260 GPH, to the experience.
BlueCubes are handcrafted in Redmond, OR, USA. American made with locally sourced materials. Call us to schedule a video call so we can show you our facility!
BlueCube cold plunge tubs are made from:
- 316 14 gauge stainless steel (30% thicker stainless steel than competitors)
- Marine grade plywood frames, built in house by hand, maximum structural integrity
- Line-X® truck bed lining weatherproof spray
- 1.5" PVC plumbing for maximum flow and cleaning power
- BlueCube 1 HP chiller with app control temperature
- Spray foam insulated tub and cabinet for energy efficiency and thermal value
The C3 running amperage draw are 9.46 A @ 120 V
~1.14 KW
Call 541-393-9149 or email service@bluecubebaths.com and our customer success specialist will get back to you and arrange a video call with our technicians to diagnose your BlueCube.
From there, next steps on addressing the issue are outlined: shipping our replacement parts, arranging an on-site technician, or handling the issue with you straight away depending on the incident.
All BlueCube cold plunge components are replaceable. If you are in warranty, we ship out the necessary parts and send a technician to get you cold plunging as soon as possible. If you are out of warranty, we still got your back and can arrange the necessary parts and help that you need.
The C3 is less than 60 decibels. Our Japanese magnetic-drive pumps are near silent. The chiller fan is on only during chilling, and turns off when it reaches temperature.
The C3 comes with a 30 day money back guarantee, net restocking fees of 25%.
Custom-built units with logo engravings, custom colors, and custom configurations non-refundable.
Multiple financing options are available for home and business clients. Click on the black links below to view the application.
- Affirm
Accessed through the shopping cart.
- HFS (residential only)
https://www.hfsfinancial.net/promo/66e34597b37ece20dfe4b475
- Brickhouse (commercial equipment financing)
https://www.brickhousecapital.com/application/
- Avvance (residential and commercial)
https://www.avvance.com/flexible-financing.html?id=c8581f76
Yes. We can build to European and other electrical standards.
The C3 comes fully assembled and is plug-and-plunge after placed into position. It takes 10-15 minutes to fill the tub depending on your water pressure.
BlueCube orders are booked out months in advance. Please call sales or email sales@bluecubebaths.com to determine lead times.
The BlueCube arrives in a palletized crate, dropped off curbside. It comes fully assembled.
In order to unpack the BlueCube in a timely manner, you / your team will need screw guns. You can use a screw driver as well, it will just take longer.
We recommend four movers with moving dollies. The C3 is 29" in height and can be tilted on its side to pass through interior doors and narrow hallways.
Yes. BlueCube cold plunges are weatherproof and designed for indoor or outdoor use. Below 20°F ambient air temperature outside we recommend winterizing your BlueCube. We do offer freeze protection packages for extreme winter environments.
The C3 requires a 110 / 120 V 20 amp dedicated circuit. It comes with a GFCI plug that has one sideways prong. It looks like a winky face ;). Here is a photo of the plug. Make sure the outlet is large enough to fit this.
The C3 chills down to approximately 37°F and is designed for cold therapy.
There are no heating elements in standard BlueCubes. Spa heaters are available for an additional fee. Contact sales for details.
Our reccomendation is to have a dedicated cold plunge and a dedicated hot tub given how long it takes to heat and chill the water. It becomes impractical to wait several hours / an entire day to make a cold plunge into a hot tub and vice versa.
No ice is required. An integrated commercial-grade chiller maintains water temperature.
20-micron filtration and ozone sanitation keep water clean. Water is typically changed every 4 weeks for residential use. For commercial use, it is based on bather loads / number of cold plunges per day.
At 50 cold plunges + per day we recommend changing the water daily.
No chemicals are required. For commerical compliance, we can add chlorine drip systems on C3. For residential use, chlorine is not necessary and we advise against it.
For residential clients, we recommend changing the filter once per month.
For commercial clients, filter changes will be based on bather load / number of cold plunges per day. At 50 cold plunges per day, we reccomend washing / replacing filters daily.
Filters can be washed and reused 2-3 times (even more) prior to discarded.
We recommend using an Aqua Comb to clean your filters.
https://www.aquacomb.com/spa-aqua-comb/
https://www.amazon.com/Aqua-Comb-Pool-Cartridge-Cleaner/dp/B00GS580BC
Soak the filters in a bucket of 1:1 vinegar and water solution overnight. Power wash again and then place it back into the recommend.
An automated chlorine drip system option is available for the C3 in both the 66" and 72" tub sizes. It is not part of C3 standard builds.
The C3 does not come with a skimmer in the standard build. However, it is an add-on feature. This is not available on C1s or C2s.
We advise against Epsom salt and essential oils to ensure longevity of the cold plunge.
Other companies may support this. This leads to excessive wear and tear of components.
You can buy maintenance supplies directly from us, Amazon, Spa Depot, and other online retailers.
If you sign up for our extended warranty, you will get supplies automatically shipped to your home or business.
Yes, you can customize your C3 cold plunge with an engraved logo of your choosing. You can also select a custom color of your choosing. We match colors through pantones or through a physical sample that you send us.
The C3 not only has robust constant circulation like the C1, but has two additional gears of hydro-agitation, including River Mode™. This provides the full weight rack of cold therapy—titrate your experience across temperature and flow rate.
Constant circulation is at 18 GPM or 1080 GPH.
The entire tub is filtered and ozonated at 10 times per hour, or every 6 minutes.
River Mode adds an additional 21 GPM, or 1260 GPH, to the experience.
BlueCubes are handcrafted in Redmond, OR, USA. American made with locally sourced materials. Call us to schedule a video call so we can show you our facility!
BlueCube cold plunge tubs are made from:
- 316 14 gauge stainless steel (30% thicker stainless steel than competitors)
- Marine grade plywood frames, built in house by hand, maximum structural integrity
- Line-X® truck bed lining weatherproof spray
- 1.5" PVC plumbing for maximum flow and cleaning power
- BlueCube 1 HP chiller with app control temperature
- Spray foam insulated tub and cabinet for energy efficiency and thermal value
The C3 running amperage draw are 9.46 A @ 120 V
~1.14 KW
Call 541-393-9149 or email service@bluecubebaths.com and our customer success specialist will get back to you and arrange a video call with our technicians to diagnose your BlueCube.
From there, next steps on addressing the issue are outlined: shipping our replacement parts, arranging an on-site technician, or handling the issue with you straight away depending on the incident.
All BlueCube cold plunge components are replaceable. If you are in warranty, we ship out the necessary parts and send a technician to get you cold plunging as soon as possible. If you are out of warranty, we still got your back and can arrange the necessary parts and help that you need.
The C3 is less than 60 decibels. Our Japanese magnetic-drive pumps are near silent. The chiller fan is on only during chilling, and turns off when it reaches temperature.
The C3 comes with a 30 day money back guarantee, net restocking fees of 25%.
Custom-built units with logo engravings, custom colors, and custom configurations non-refundable.
Multiple financing options are available for home and business clients. Click on the black links below to view the application.
- Affirm
Accessed through the shopping cart.
- HFS (residential only)
https://www.hfsfinancial.net/promo/66e34597b37ece20dfe4b475
- Brickhouse (commercial equipment financing)
https://www.brickhousecapital.com/application/
- Avvance (residential and commercial)
https://www.avvance.com/flexible-financing.html?id=c8581f76
Yes. We can build to European and other electrical standards.
Have more cold questions?
Connect with a specialist today
sales@bluecubebaths.com
+1 541-419-9050
Want a custom cold plunge?
Your dream cold plunge, perfectly realized
BlueCube Custom Cold Plunges and Pools are tailored to your unique vision, blending personalized craftsmanship with advanced engineering—delivering perfect performance and enduring wellness to your business or home.
Learn more about custom cold plunges