The Cold Stoic
The Cold Stoic
The Cold Stoic
The Cold Stoic
The Cold Stoic
The Cold Stoic
The Cold Stoic

The Cold Stoic

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Free Standard Shipping

The Cold Stoic Tank is 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. The Colt Stoic can live outdoors or indoors, and its modern aesthetics will elevate any environment.

What’s included

  • Matching hand made Step Stool
  • Insulated Cover
  • Free Standard Shipping in Continental US
  • 5-Year Express Limited Warranty*
  • Cold Plunge Tank Guide

    Customer Reviews

    Based on 10 reviews
    Julio G.
    Game Changer

    I have had our Cold Plunge for a little over a month. I use it two to three times a day and my 17 year old uses it first thing every morning.

    Multiple benefits: adds energy, relaxes both physical and mentally, noticeable effect on physical recovery. After an intense workout or a day of golf, 10 minutes in the plunge will make recovery significantly faster and at times I don't have any soreness the next day because of the plunge.

    Great customer service! They answer the phones when you call and they help!

    It's a lifestyle change, with multiple health benefits, I love it - and we are better for it.

    Rick Nasif
    Fantastic Plunge

    Bill, your product is top notch. Cannot express how grateful we are that you were inspired to create a safe, clean and effective plunge. My only wish is a chiller that goes down to just above freezing, maybe 35. Yes, I’m a little insane.

    Bradley Keywell

    The Cold Stoic

    Colin Zelmer
    Love my cold plunge

    I use my cold plunge every day and I love the way I feel. Literally every day.

    We are hooked on the cold stoic!!

    Wonderful cold therapy tub! It's a beautiful piece of furniture in addition to being optimal for whole body cold exposure. Feels a lot colder than an ice tub with the continuously circulating water. We love our Cold Stoic and use it every day!!

    Strength of Character

    We believe quality design deserves the best materials. We use beautiful 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. The 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. The 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

    Unlike a dangerous modified meat freezer and potential electrocution, the Cold Stoic Plunge Tank is weatherproof, safe around water, and always COLD, eliminating the need to buy and haul ice before it melts.

    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."  Read more...

    Scott Empringham

    Founder of Empringham Media

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

    Richard Fong

    Owner of Bliss Media

    "It is easy to operate and convenient. I do Contrast Therapy, especially after a workout, or sometimes I jump into the ice bath tub for an afternoon Wake Up! I feel RENU'D." Read more...


    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 with out 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 it during the week, and end up spending money and not gaining any benefits. Getting ice is also a hassle and many people cannot be consistent with all the work involved as well as the expense. Although the DIY cold bath is at home, it is so unsafe and dirty that it should not be an option. The Health Benefits are Real and will change your life.....if you go into the Cold Daily. No excuses, just jump in when you wake up and Charge your day, everyday.

    Earn your Health Benefits Daily with a Cold Plunge

    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 "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!

    Hand made to last, and backed up by a 5-Year Express 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 enable you to focus on your Daily Routine and Health. The Mechanics of the RENU are designed to be User Friendly, and should any of the components need replacing within the 5-year Express Warranty period, our goal is to make sure you have a replcement part delivered "Before you RENU loses it's cold temerature! We also are able to ship you out filters, Spa Sponges, as well as a Mineral Sanitizer sticks every 3 months, so you can maintain clean and cold water.

    The 5 most important questions to ask yourself when your looking for the perfect Cold Plunge Tank!

    What's Included

    • Cold Stoic Plunge Tank
    • Matching Handmade Step Stool
    • Free 6 Month "Purification and Filters" Subscription Package
    • 5-Year Express Limited Warranty*
    • Free Standard Shipping
    • Cold Plunge Tank Guide
    • Insulated Cover


    • 5-Year Express Limited Warranty*
    • Uses Standard 110 volt
    • Dimensions: 64” long x 33” wide x 34” tall
    • Weight: 370 pounds
    • Designed in Southern California
    • Hand-Made in The US
    • More questions? Visit the FAQs

    Cold You Can Rely On

    Our chiller provides a high-performance titanium heat exchanger for optimum performance and corrosion resistance, making sure that your daily routine is the ultimate cold therapy.

    Natural Sanitation

    Using advanced plasma gap technology and the world’s most advanced solid-state Corona Discharge technology, our ozonator 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 en 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%.

    Goes Great With

    RENU Hot Soak Tanks (coming soon)

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    RENU Hot Sauna

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    Matching Wood Step

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    Full Canvas Cover

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    Subscription - Maintenance Filters and Supplies

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    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.