Free Shipping on All Cold Plunge Tanks in Contiguous US (curb-side delivery)

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    5 Year Limited Warranty

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    Free Standard Shipping in Contiguous US

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    Designed for Indoor
    or Outdoor

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    Easy Set Up &
    Maintenance

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    Designed for safety

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    High quality made
    in the US

Cold Stoic (Standard Size)
Pacific Cedar / Light Gray
Shou Sugi Ban - Dark Burn / Light Gray
Cold Stoic (Standard Size)
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Cold Stoic
(Standard Size)

Regular price
$9,699.99
Sale price
$9,699.99
Regular price
Sold out
Unit price
per 

Cold Stoic® Tank's always cold and clean technology will encourage you to add cold water immersion to your daily routine. A programmable thermostat allows you to control the temperature. Cold Stoic® can live outdoors or indoors, and its modern aesthetics will elevate any environment.

Free Shipping in the contiguous US only. Please inquire for shipping costs outside the contiguous US
Pick your wood for your breath deck
Our California Redwood option is Redwood that is treated with an all natural tung oil and wax. This provides a natural wood look.
Our Pacific Cedar option is Cedar wood that is treated with an all natural tung oil and wax. This provides a natural wood look.
Our Shou Sugi ban option is Doug Firwood that is torched, and scraped repeatedly to create a more waterproof and weatherproof surface that has an artistic look and exposed texture.
Our Shou Sugi ban option is Doug Fir wood that is torched, and scraped repeatedly to create a more waterproof and weatherproof surface that has an artistic look and exposed texture.
Choose your base color
Black
Black
White
White
Light Gray
Light Gray
Dark Gray
Dark Gray
Spa Light $319.99
Add light into your cold plunge with our spa light feature. This product comes with a light installed into your unit, along with both red and blue lenses.

  • Details
  • Shipping
  • Warranty
  • 5 Year Limited Warranty
  • Free Shipping in the Contiguous United States
  • Designed in Southern California. Hand-Made in The USA.
  • Lead times are currently 12-14 weeks. Each tank is built to order and lead times may shorten closer to your build date.
  • More questions? Visit the FAQs
Included
  • Cold Stoic Tank
  • Integrated Chiller with Advanced Filtration and Ozone Purification System
  • Matching Handmade Step Stool
  • Insulated Lid
Specifications
  • Exterior Dimensions: L 64” x W 33” x H 34.25"
  • Tank Dimensions: L 36" x W 24" x H 30"
  • Dry Weight: 375 pounds (170 Kg)
  • Filled Weight (with 80 US Gallons): Approximately 1,050 lbs
  • Power
    • Uses Standard 110 Volt
    • 1/4 Horsepower Chiller
    • Typical Power Consumption (while Chiller active): 350-500 Watts @ 3-5 Amps
  • Noise Rating (while Chiller is active)
    • 67 Decibels at 2 inch distance from large grill (with ventilation grills in place)
    • 58 Decibels at approximately 3 feet from large grill (with ventilation grills in place)

Free curbside delivery is included for all purchases within the contiguous US. Our "Free curbside delivery" includes curbside dropoff at your order shipping address. It will be your responsibility to move the tank off the pallet and to your desired location (note: weight of the tank is 375 pounds).

For International Shipping, shipping rates vary based on country. Please contact us for more information.

What Cold Plungers Are Saying About Us

Jim O'brien

Cleobella fashion

"A mood changer, a holistic approach to feeling better, and one of the pillars from Wim Hof's breathing books." 

Scott Empringham

Founder of Empringham Media

"My energy is through the roof, my immunity is fantastic. I just feel fantastic."

Molly Laing

Health Enthusiast, Cleanse Counselor and Health Coach

"If you are thinking about purchasing one of these cold plunge pools, I highly recommend the Renu Therapy product"

More ReviewsMore Reviews Free Standard Shipping

Cold Tank Benefits

Strength of Character

We believe quality design deserves the best materials. We use beautiful Natural Woods like Cedar and Redwood, treated with all natural oils and no chemicals. Every unit has its own artful characteristics, and is unique.

Always Cold And Ready For Your Morning Routine

You choose exactly how cold you want to be. Cold Stoic ™ constantly maintains the water at temperatures between 39 and 55 degrees. All of the cold without the work.

Always Clean And Easy To Maintain

Ozone, or energetic oxygen, is a powerful oxidizer of contaminants in water. Cold Stoic ™ naturally sanitizes water using ozone technology and a filter system reducing maintenance time and the need for chemicals.

Designed For Your Safety and Convenience

The Cold Stoic ™ Plunge Tank is the only unit that has all of the equipment inside a Weatherproof Mechanic’s Bay. Having the equipment enclosed is vital to safety and for keeping the equipment running properly!

Cold you Can Rely on

Set your desired temperature. Our chiller provides a high-performance titanium heat exchanger for optimum performance and corrosion resistance, making sure that you stay focused on your Health Routine!


Natural Sanitation

Using advanced Ultra Violet technology as opposed to the cheaper and less effective Corona Discharge, our ozone generator cleans water without the use of chemicals for long life, output, and energy savings.

20 Gallons Of Water Every Minute

Our magnetic drive water pump works with quiet, efficient, and reliable 24/7 performance. Featuring a magnet impeller assembly and an epoxy encased power unit, our pump never gets contaminated with harmful oils or chemicals.

Keep Extreme Cold Temperatures

Our Proprietary insulation fills gaps and voids to create an energy saving thermal blanket that can lower cooling costs by 25% and reduce sound power by 60%.

Customer Reviews

Based on 50 reviews
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(49)
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A
Andrew Keene (Galveston, US)
Cold Therapy is Life Changing

The device itself is great. Looks great on our patio. Installation is super easy (although you’ll need a couple buddies to move it off the pallet and to where you install). I bought this cold plunge to help with breathing exercises, accelerate metabolism and cut back inflammation and soreness from jiu jitsu, running, and lifting. I’ve also found it provides for improved mental clarity.

M
Mike Tsai (Pasadena, US)
One of the best investments one can do for their health!

I am so happy with this purchase and with this company. After many months of research and waiting for my cold stoic to be built and delivered, it was all worth it. I also got the temperature down to 32 degrees which was much lower than the standard lowest setting for the chiller. I have been doing 35 degrees for 6 minutes, 5 days a week and I feel amazing! Thank you, Steve and everyone at Renu Therapy!

S
SANJAY KHURANA (Long Beach, US)
In love with Renu

The best investment Ive ever made for my health. Addicting, invigorating, and life changing!

K
Kevin Hartz (Tampa, US)

Cold Stoic<sup>®</sup> (Standard Size)

r
rossi (Greenville, US)
loving our cold stoic plunge

we love our tub. we live in florida and took a trip to renu once while out in california and bought it on the spot. my husband is an athlete and loves to do sauna and cold and we had been eyeing this tub for a long time. steve made sure it got to us in a timely fashion. we had an issue setting it up because a piece had cracked in shipment (shipper’s fault, not renu) but steve and his team found someone in florida to come over and set it up for us once the new part arrived. definitely recommend this company and appreciate their customer service.

P
Patrick Poel (Spicewood, US)
New knees and a new challenge

Absolutely LOVE my Stoic tub! I’ve been experimenting with cold for my long abused knees trying cryotherapy which worked but was going to be expensive long term to cold showers which worked well when in Colorado mountains using glacier melt but not so much in Texas. After spending the past 30 days religiously getting a soak I can say best money I have spent in a long time! My knees feel great! All the other little aches and pains you pick up along life’s path especially when you might “not be acting your age” are nonexistent. I was also excited about the mental aspect and have not been disappointed. My 30 year old son has even taken to it as a stress reliever from time to time. The design of the mechanical bay is great! Everything is easy to access and maintain. I am a very satisfied customer!!

S
S.G. (Garden City, US)
It took awhile to get it right!

It took a number of months to get my Cold Stoic running like a fine oiled machine. This was 100% my fault. Steve Midgley and the customer service department were the absolute best! I cannot speak highly enough about him/them. Calls on the weekends, parts shipped quickly, almost immediate email responses. I'm not the brightest crayon in the tool box.. so I'm sometimes hard to work with. They went above and beyond, they always went the extra mile. I wouldn't hesitate to purchase one of their products based on their customer service alone!

My Cold Stoic is used almost daily by 1-3 people, and almost weekly by 4 others in the family. The Cold Stoic handles this without issue. This is truly an amazing product, I'm so grateful to have it in my home. In today's world finding a product that works as advertised is hard enough. Finding a product that works better than expected, with a customer service department that truly understands customer service? That's basically impossible. But not with these guys, they're the best!

Thanks so much for the glowing review, Scott. Glad you're up and running correctly and all good to go!!

C
Craig Hoffmann (New York, US)

Top quality and service

A
Avrum Elmakis (Denver, US)

Cold Stoic<sup>TM</sup> (Standard Size)

B
Bill Wolfe (Charlottesville, US)
A great product-A great company

I rate this Cold Tub 5 stars and RENU GETS 6 stars!

We had a few small hiccups along the way but RENU went above and beyond to make it right.. Thank you!

Overview of Cold Plunging

Less thinking and more Cold Plunging

For those who know the Power of an ice bath tub, the problem has always been, "How can I get my daily cold bath conveniently and safely without breaking the bank? The RENU Cold Tank was designed to be Cold, Clean, and ready for you every time. Cryotherapy is such an expensive hassle that most people are not consistent with during the week, and end up spending money without receiving any benefits. Getting ice is also a hassle that can be difficult to stay consistent with and requires tons of work and additional expenses. Although the DIY cold bath is at home, it is so unsafe and dirty that it should not be an option. The Health Benefits for cold plunging are Real and will change your life.....if you go into the Cold Daily. Finding a clean, safe, and convenient method to cold plunge will help you experience these benefits. No excuses, just jump in when you wake up and Charge your day, every day!

Earn your Health Benefits Daily with a Cold Plunge

The health benefits for cold plunging daily are a Robust Immune System, Less Inflammation, less arthritis, Healthier skin, Increased Thermogenisis (the ability to warm yourself), and increased Happiness. It sounds too good to be true, but it is not. You simply have to "Earn your Health Benefits" by jumping into your RENU Cold Tank daily. Much like exercise, it has to be earned. With Cold Water Immersion, most benefits take a few weeks before you start to notice; with one exception.....your Happiness. You always feel amazing when you get out of Cold Water, and that mood boost will be with you all day. You will feel like you have a Secret Weapon for achieving your goals!

Handmade to last, and backed up by a 5-Year Limited Warranty!

Each RENU Plunge Tank is built to last. The Exterior treatments are designed for indoor or outdoor use. UV Protection and specialized waterproofing enables you to focus on your Daily Routine and Health. The Mechanics of the RENU tanks are designed to be User Friendly, and should any of the covered components need replacing within the 5-year Limited Warranty period, our goal is to make sure you have a replacement part delivered promptly! We also are able to ship out filters, Spa Sponges, as well as a Mineral Sanitizer sticks every 3 months, so you can maintain clean and cold water.

Other things you might need

Waxes & Oils

Read More

Full Canvas Cover

Read More

Extended Chiller Warranty

Read More

MEDICAL
DISCLAIMER

Consult with your doctor before using this or any cold plunge tank. Please get your doctor’s approval before making this product a part of your health regimen. The content provided on the website is not intended to establish a standard of care to be followed by a user of the website. You understand and acknowledge that you should always seek the advice of your physician or other qualified health provider with any questions or concerns you may have regarding your health.

You understand and acknowledge that all users of this website are responsible for their own medical care, treatment, and oversight. All of the content provided on the website, including text, treatments, dosages, outcomes, charts, profiles, graphics, photographs, images, advice, messages, and forum postings, are for informational purposes only and DOES NOT CONSTITUTE THE PROVIDING OF MEDICAL ADVICE and is not intended to be a substitute for independent professional medical judgment, advice, consultation, diagnosis, and/or medical treatment of a qualified physician or healthcare provider. You also understand and acknowledge that you should never disregard or delay seeking medical advice relating to treatment or standard of care because of information contained in or transmitted through the website. Reliance on any information provided on this website or any linked websites is solely at your own risk.

RENU Therapy does not recommend or endorse any specific tests, products, procedures, opinions or other information that may be provided on the linked websites. The linked websites may contain text, graphics, images or information that you find offensive. RENU Therapy has no control over and accepts no responsibility for such materials.