Cold plunge tubs won't be able to go any cooler than 39° Fahrenheit since the drinking water should remain in liquid kind with the exterior chiller—unless you are speaking about Odin's Ice Bath. With its prime-of-the-line design and high quality capabilities, the Cold Stoic delivers an unforgettable CWI practical experience https://images.google.com/url?q=https://www.renutherapy.com/products/cold-stoic-3-0