How to DIY a Cold Plunge at Home

Cold water therapy has evolved from an ancient wellness practice into a modern health essential. Creating your own ice bath at home offers an accessible way to enjoy the benefits of cold plunges.  

Our comprehensive guide explores the different options to help you find the ideal cold therapy solution for your space, budget and wellness goals.  

Cold plunges have captured attention across social media, wellness circles and professional sports. High-profile advocates and emerging scientific research have brought cold water therapy into the mainstream due to its impressive health benefits.  

Cold plunges offer extensive physical and mental health benefits, including: 

• Improved circulation by stimulating blood flow. 

• Boosted immune function by increasing white blood cell production.  

• Reduced muscle soreness and inflammation after workouts.  

• Elevated mood due to the boost of dopamine and endorphins.  

• Improved mental resilience by training the brain to stay calm under discomfort. 

• Enhanced focus and alertness from the shock response and increased blood flow to the brain.

Read our guide about the benefits of hot vs cold showers for more information. 

While cold showers and cold plunges both fall under the umbrella of cold water therapy, they differ in intensity and experience. Cold showers offer daily convenience with adjustable temperatures, making them ideal as a gentle introduction to cold water therapy at home.  

Cold plunges require full-body immersion in cold water, triggering stronger physiological responses. Though more intense and less convenient, plunges deliver deeper therapeutic effects in shorter sessions. 

Creating a successful DIY cold plunge requires thoughtful planning and realistic expectations. So, before you learn how to start cold plunging at home, here are some key things to assess:  

From budget-friendly options to larger investments, there are plenty of cold plunge options. Consider your budget, factoring in ongoing costs, including ice, electricity, water treatment and maintenance supplies, depending on what cold plunge option you choose. 

Placing your cold plunge indoors can offer year-round accessibility, but you’ll need to ensure the space is properly ventilated to avoid damp. Outdoor locations may accommodate larger installations, and you won’t face indoor moisture concerns. Gardens, patios and garages work well, but consider privacy, weather protection and seasonal access.  

Essential requirements for the right location include water supply access, proper drainage solutions, electrical supply if needed and level ground.  

Prioritise your safety by beginning with a medical consultation, especially if you have cardiovascular conditions, respiratory issues or other health concerns that might be affected by cold water immersion. 

If you’re new to cold water therapy, start with shorter durations and warmer temperatures, gradually increasing intensity. Never attempt extreme temperatures without proper preparation. 

Your choice depends on space, budget and how often you’ll use it. Here are some ways to implement cold water therapy at home.  

Converting your bathtub to a cold water therapy tub is the easiest way to create a DIY cold plunge. Simply fill your bathtub with cold water and ice.  

Repurposed wine or whiskey barrels are also the ideal shape for a cold water tub. Clean the barrel thoroughly, sand rough edges and ensure it has watertight sealing. Fill with water and ice, or install a chiller, pump and filter system for a sustainable setup.  

Transform a chest freezer into a cost-effective DIY ice bath. Don’t forget to unplug the freezer first. The process involves sealing the interior with waterproof materials, adding a digital temperature controller for precise cooling and optionally installing a filtration system. Fill the chest freezer with water and monitor for leaks.  

For more DIY inspiration, read our guide offering 5 ways to practice cold water therapy at home.  

As the UK’s first dedicated cold water showering experience, our innovative ColdBoost technology provides daily cold water therapy without the space, cost and complexity of a separate installation.  

You can seamlessly integrate cold therapy into your routine with digital, pre-set settings that gradually transition your water temperature from warm to cold. With our personalised ColdBoost technology, you can enjoy the benefits of cold water therapy easily at home.  

Proper maintenance ensures your cold plunge remains safe, effective and enjoyable.  

To maintain clean water, consider using filtered or distilled water or adding chlorine or bromine tablets in safe doses. Rinse off before each plunge to reduce dirt and oils, or install a filtration system, like a pump, to reduce bacteria and debris. Don’t forget to regularly drain and refill the tub, especially if it is used frequently. 

Keep the water cold by insulating your tub and covering it when not in use to retain temperature and block sunlight. If possible, install a chiller system to maintain your desired water temperature.  

Waterproof the interiors of your tub with materials like aquarium-safe silicone or pond-safe resin. For insulation, wrap the exterior of the tub with foam board, reflective insulation, or spray foam to retain cold temperatures efficiently.  

Add an insulated lid or cover to prevent the water from warming or evaporating, especially if you choose an outdoor location.  

Maximise the benefits of cold water therapy by practising breathwork like box breathing during your shower. Inhale for four counts, hold for four and repeat throughout the plunge. Take cold showers daily and gradually increase your exposure to build up resilience.  

For more tips, read our ultimate guide to cold water cleansing.  

Ready to transform your daily routine with cold water therapy? Explore our range of showers, including mixer, electric and digital options featuring ColdBoost technology.