The Plunge: Original Cold Plunge Tub
$6,790 on September 25, 2026; confirm current price
The Plunge is a 66 5/8-inch-long acrylic and fiberglass tub paired with a separate Pro Chiller Gen 2. Plunge lists 105 gallons of water capacity, indoor or outdoor placement, app-controlled temperature, and cooling down to 37°F. The advertised 1-year warranty is shorter than the sauna warranties; check coverage, return conditions, the delivered total, and how you will maintain the water before ordering.
Why it may fit
Primary sources
Affiliate disclosure: A marked partner link may apply a reader discount and may pay us a commission. It never changes our verdict. How affiliate links work
Where to Buy
More from Cold Therapy
Ice Barrel
The Ice Barrel is a vertical, insulated cold therapy tub that allows you to experience the benefits of cold water immersion without the need for a built-in chiller. This space-efficient design is portable and more affordable than many other cold plunge options.
Why: The Ice Barrel provides an affordable, space-saving way to enjoy the benefits of cold water therapy at home.
Penguin Chillers Setup
The Penguin Chillers Setup is a high-performance cold therapy system that can cool water down to 37°F. It features a 3/4 HP compressor and an insulated tub for efficient chilling.
Why: The Penguin Chillers Setup offers excellent value as a high-quality, American-made cold therapy system with a powerful compressor and well-insulated tub.
100-Gallon Stock Tank
The Tractor Supply 100-Gallon Stock Tank is a durable galvanized steel tub that can be easily converted into a DIY cold plunge pool or ice bath.
Why: An affordable and spacious option for creating a DIY cold plunge at home.
Not sure which gear you need?
Our free buyer's guide covers real costs, the product picks we stand behind, and the mistakes everyone makes.
Just starting your sauna research?
Real costs, real reviews. Five emails over three weeks, no spam.
Already got a quote? Get a free read on it